Nslookup works but ping fails mac So something is getting lost. CheeseandWhine"-- it appends the domain name listed on the "search" configuration line in /etc/resolv. 164] with 32 bytes of data: (Ping fails, because icmp is blocked, but that isn't a name resolution issue. The dig command does not use the host name and address resolution or the DNS query routing mechanisms used by other processes running on Mac OS X. I noticed I can ping 8. company. However, nslookup google. When I run nslookup client. 24. 1 nslookup dc1 10. 53, nslookup works, but ping still fails. I can dig and nslookup fqdn too, but cannot ping them: ping: cannot resolve domain. 15. Jun 11, 2016 · After a strange glitch with a DNS-server on our network, the ping command returns "Unknown Host," but the dig (or nslookup) commands promptly produce a NOERROR response from the server. How can ping and the browser possibly get the IP if the more basic tools fail to do the resolve? Mar 26, 2013 · We have an intermittent problem on Windows 8 whereby Ping fails to find the host but NSLookup resolves it correctly. I can ping the DNS servers successfully, but when I try nslookup on them I get “No response from server”. I have a 14-inch Macbook Pro released in 2021, recently my DNS failed regularly, the problem is as follows: my current DNS to Google DNS(8. 32. axdev. 一批ECS nslookup 域名结果正确，但是 ping 域名 返回 unknown host 1. If you try a ping after in terminal if I ping a local name configured in my networks dns it returns an incorrect address. 64 bytes from server001. Es kann vorkommen, dass nslookup-Abfragen für Sie funktionieren, aber wenn Sie versuchen, PING zu verwenden, schlägt dies fehl. any way to get ping to work as expected, I've no idea what dns its using, limit address tracking is turned off. I have to enable/disable airplane mode. Why? I flushed DNS cach and restarted DNS daemon on my mac: sudo dscacheutil -flushcache;sudo killall -HUP mDNSResponder. 110: bytes=32 time=29ms TTL=115 Apr 18, 2020 · I'm encountering a weird DNS issue on macOS Catalina 10. docs. uk (not internal. com . xxxxx ~ % ping 8. ) Aug 8, 2013 · 2 NICs teamed for the Management 3 NICs teamed for VM001 with NLB 3 NICs teamed for VM002 with NLB Neither the host nor it’s guest servers can resolve IPs with nslookup. does not work, but a ping to 1. 101 C Apr 22, 2015 · When I try to ping google. nslookup fails, ping works, no other issues with internet Reboot fails to cure. com (192. com, it always return ping: bad address 'google. with ping) inevitably stopped working at some point a few hours after boot. ping is working. 243 Address: 192. RDP is not woking using domain name Encountering the frustrating issue where nslookup works but ping fails in Windows 11? This video provides five effective solutions to resolve this network co Nov 17, 2020 · First off ping and nslookup are two totally and very different things: ping is sending an ICMP packet to the specified host directly; nslookup is querying a DNS server for the IP address of a hostname; If the host is down (for example), ping will fail. 7 it does not work as expected. com -> works; cat /etc/resolv. I know that ping will use the OS to resolve the name, whereas dig/host will go to the DNS server directly. So for instance: # curl -v google. 1 or 203. On the other hand, if you're using WINS, nslookup won't help you because it only deals with DNS. Also a traceroute does work, but only with ICMP packages. uk) and resolves to the same, unknown public IP address. (Windows 2012) DNS will not function correctly, thus no Internet or Windows updates, etc. 200. co. 1 (because it uses the alternative DNS server instead of Pi-Hole). 1 goes timeout. 14. There are several reasons why nslookup might work, but ping fails on a Windows PC. As soon as I disabled it, nslookup started working. $ ping abc ping: cannot resolve abc: Unknown host $ host abc abc. corp If I try to ping however, ping server fails with unreachable host. 8 -t to ping indefinitely until you stop it. Wenn also Ihr nslookup funktioniert, aber der Ping auf Ihrem Windows 10-PC beim Abfragen der IP-Adresse einer Website fehlschlägt, kann dies viele Gründe haben. nameserver 192. Please check the name and try again. 11. conf -> same output as cat /etc/resolv. com' But when I saw David T's post here, I decided to try it with curl. Why is the runtime library not using the nameserver listed in /etc/resolv. The problem I am having is I cannot use nslookup on my server but i can use it on the workstations. D) dns-test 53. com works. conf to use nameserver 1. hole" is resolved correctly. Mail server works correct but the strange thing is from server itself it can't resolve hostnames. Well, this happens when the computer is unable to comprehend and connect to the requested host. D) The domain does not exist Jun 16, 2010 · nslookup works, but ping fails by hostname (works by ip). H:\\>ping google. local. Jan 30, 2017 · To answer why there is a difference in behaviour between ping on one side and nslookup and dig on the other side – ping uses libc resolver (which honours /etc/nsswitch. com:80 * Couldn't resolve host 'google. I have 4 workstations, two wired and two wireless. 110] with 32 bytes of data: Reply from 142. Aug 4, 2019 · I noticed some strange behaviour when setting up a web server on a local network. curl is not working. This connection is using google DNS at 8. And ping uses the result of the public one, as the internal DNS dont return a result. The ping works but not when the Jul 27, 2010 · Here are some of the steps I took to troubleshoot this: 1) Tried multiple access points (SonicWALL and FiOS AP) 2) Internet/name resolution works on other computers at my house 3) PING does not resolve names through terminal 4) NSLOOKUP works terminal 5) DIG works through terminal 6) HOST works through termial 7) Checked Mac firewall - it's I can resolve a hostname using host and/or nslookup but forward lookups do not work with dig; reverse lookups do: musashixxx@box:~$ host someserver somese Aug 10, 2017 · I'm experimenting with a Win10 IoT board that runs a web interface on minwinpc. 8;; connection timed out; no servers could be reached. local: Unknown host I have make searches on Internet but cannot find a solution. 4. Actual Behaviour: Ping request could not find host pihole. e ping 8. local, I get server not found. Both ping host. nslookup is always OK, and curl failed many times until last time it success – leo Commented Jul 6, 2015 at 9:53 Feb 12, 2025 · Hi, I’ve encountered a problem. 2 in your example) isn't resolving the record. Jan 4, 2025 · A common instance of this phenomenon occurs in Microsoft Windows environments, where "nslookup" returns results while "ping" commands fail. – Aug 15, 2016 · Windows 7 DNS not working (nslookup IS working; ping -4 name. Jul 8, 2023 · I’m able to docker run busybox nslookup google. local: Unknown host $ host abc. Firefox. Nov 28, 2011 · Dig and NSlookup works, but curl fails. If I ping pihole from a Windows 10 PC it should reply. When using ping, it doesn’t even resolve the address as it “cannot be found”. domain. ping: cannot resolve publicwebserver. com'. 103) 56(84) bytes of data. Now any DNS based lookup fails (i. When I execute “ping XXX” on Windows 11 (24H2), it returns “Ping request could not find host XXX” (XXX is my company’s internal network domain name), but when I execute Feb 12, 2025 · Hi, I’ve encountered a problem. local Server: 192. Furthermore, I cannot ping the hostname either, but I can ping the clients by their IPs. Explanation. 2 (latest). Eg. But when I tried to ping domain names, e. Dec 18, 2023 · Pinging IP addresses directly works (i. net again without telling nslookup what nameserver to use. Which makes the host resolveable, which should not be Aug 22, 2017 · Running kubectl exec --namespace kube-system -it kube-dns-2425271678-k1nft --container kubedns -- ping google. I have a Windows network (the Macbook is my first of many Macs). If I re-install Windows or restore from a recent Windows backup, everything works again, until the next time it happens. 243 But when I ping it, it doesn't find the ip address. 1. Windows troubleshooter reports that DNS server cannot be reached by the device. com PING server001. com fails with 2 seconds timeout. com and ping google. If there's intermittent connectivity, the ping command won't likely find it unless you execute ping 8. 1 nslookup dc2 10. As a matter of fact they are accessible from VM’s Jan 23, 2019 · Fix Nslookup works but Ping fails in Windows 11/10. Dec 19, 2023 · In such a situation, we could use two command line tools: ping and nslookup. This did not help. 1) on the network 10. <any DC server> works correctly. NsLookup is usually a command line tool. 151. It just hangs there looking pretty till I CTRL-C it. This has been demonstrated to work in limited test environments. This can be caused by a variety of problems, including incorrect DNS settings, firewall restrictions, or a Oct 30, 2014 · ping "cannot resolve" even though nslookup works I am having issues browsing to an internal company site even though I was just using it minutes before. conf directly. com ;; connection timed out; no servers could be reached docker run busybox ping (the same) ping: bad address ‘google. nucme: Unknown host. This works already, so we have verified that the DNS works and that wolfman indeed corresponds to Feb 27, 2010 · hawk:~ user$ ping publicwebserver. For example, you can configure per-domain name servers in /etc/resolver, but these will not be used by nslookup. We intermittently face a DNS issue with macOS 12. 22] with 32 bytes of data: Reply from 10. administrator@iMac-1 resolver % ping 123. DNS on router set to 4. DNS lookup fails even when preferable DNS server's address is manually set to confirmed online DNS servers (i. Adding a new one can solve the problem temporarily. 이름을 확인하고 다시 시도하십시오. Only reboot help and sometime dscacheutil -flushcache. This problems occurs on a MacBook Pro 15-inch, Mid 2014 running macOS High Sierra. When pinging this IP, it actually works. It also works on any other pod running on the master, like kube-flannel, kube-proxy, etc. Unlike "pihole", "pi. dig, host etc will resolve the hostnames on macOS and other machines fine (and nslookup works fine on all machines). If i use ping, then Wireshark shows that the internal DNS servers and the public DNS servers are queried. e. That is, it […] Why does it work in Terminal and why doesn't it work in Mac OS? The answer to your first part is in man dig or man host:. Jun 5, 2022 · DNS doesn't work, though I can ping it. Manually adding server with the ip address obtained by nslookup to /etc/hosts makes ping work too, but this "solution" circumvents the nameservers and is thus not ideal (and I would have to add about 20 other entries as well). 50 works fine and as you can see I can visit the admin dashboard as well. What is the output of ping -a 64. The problem is not consistent - it happens (seemingly) randomly and is solved by a router reboot. To get nslookup information for a domain, use the following command in the command line/terminal: nslookup <domain name May 20, 2017 · ICMP requests (ping) are rather small. On the server pinging by host name works but nslookup fails everytime. That looks like the same resolution problem that Edge showed. But all these operations can be done successfully in the VM (outside of the container). The "/etc/resolv. ) Jul 4, 2021 · Try making a DNS query at 192. Apr 9, 2019 · Connectivity is clearly okay, nslookup shows that DNS is working, nslookup resolves my xxx. May 14, 2004 · All, Ping, traceroute, telnet, etc. nslookup xyz. Some of the most common reasons include: Firewall settings: One possible reason why ping might fail even though nslookup is working is due to firewall settings on either the local machine or the target device. C) The default gateway is misconfigured. 11 doesn't run or doesn't exist at all, both will fail. 178. We open the Command Prompt window after searching through Windows search and use these commands. What I don't know is how to diagnose what macOS is doing incorrectly. dig and nslookup work, but can't ping host. Sep 6, 2016 · curl/ping try to resolve an IP-address with mDNSResponder or by other means and finally operate on/interact with the remote host. Apple support has not helped me at all. Nov 16, 2022 · All the resources were accessible through a VPN. When connected to VPN, it’s not using the corporate DNS for VPN. firefox hit google; synaptic updater). If this fails, the local and remote systems don't have network connectivity between them. Oct 7, 2009 · Hello! Strange network problem. The answers here did not work for me - it wasn't a browser issue. 4: traceroute google. ext fail. conf. Pinging via IP works. 5 to attempt to lookup. When I use Dig the DNS suffix/domain, it nslookup does not use the system DNS settings to my knowledge, but rather queries the servers from resolv. 4 and 8. Because clearly this is the problem I am facing, DNS is sound but ping does not work, not even "hosts" file resolution is working! – Jose Manuel Gomez Alvarez Commented Nov 22, 2024 at 17:01 Nov 3, 2023 · I can connect to the VPN, and I can join every IP on my remote network. 238) for every domain that does NOT exist. Actual behavior Ping hangs from within the container, even though nslookup succeeds from within the container. C:\WINDOWS\system32>ping projects. [ busybox master (git hash 349d72c19) sysroot-glibc-linaro-2. Using the CLI the 'ping' command will not resolve names while the 'nslookup' command will. conf" file shows the intended DNS server first on the list, and "127. In addition /etc/nsswitch. conf to use VPN's DNS servers - ping/nslookup were able to resolve the name but nothing else including Chrome, Firefox, or wget was able to resolve the same name). com;; connection timed out; no servers could be reached. Does traceroute and ping work with only the IP address, and traceroute fails on hostname? Also, use ping -a ip-address to verify that the mapping is what you expect. My question: What are Resolve-DnsName and ping doing differently than nslookup? Feb 13, 2015 · Ping: $ ping server ping: unknown host server $ ping server. local has address 192. I used powershell to test via Test Jan 27, 2022 · Title says it all. com Pinging google. The machine in this case is called 'solo', although it can occur with other hostnames at different times. I cleared the DNS cache and ran ipconfig /registerdns and it worked for about 2 mins i was facing the same problem. 在公司网下，我的windows7笔记本的wifi总是报dns域名异常无法上网（通过IP地址可以上网） 1. Docker集群中两个容器中 nslookup 同一个域名，返回来的IP不一样 Mar 27, 2025 · Then it will add a “. 140. 10. Aug 2, 2022 · If the ping by name fails, try a ping by IP address. 9. 8 by default. Trying to understand the root cause, I noticed the laptop can ping 1. 10. On the same client, nslookup europa. 100? (this is the IP of microsoftonline. Have you tried adding the hosts to the host file to see if Traceroute works. Boot back into Windows, and nslookup works but everything else fails to resolve DNS. 222. com * getaddrinfo(3) failed for google. Step 1: Open the Start menu and click Device Manager on There must be exactly one blank between the nameserver tag and the address for nslookup to work. com returned correct Nov 14, 2022 · I have a Mac with Cisco AnyConnect VPN installed. Given that pinging the IP but not the domain works, I tried resetting the DNS cache via : sudo dscacheutil -flushcache ; sudo killall -HUP mDNSResponder. 1? If so, then see if Mac OS X's other DNS resolver codepath works, by doing a DNS query with the dns-sd tool: dns-sd -Q www. The ping doesn't resolve hostname, but nslookup does. The search order is correct and I can ping the corporate DNS servers by IP, but can not ping the Active Directory domain name. It may also be helpful to checking your LAN cables to make sure that they aren't wrapped around any power cables. Jul 5, 2020 · And if you do have another local DNS server configured, and it has been working successfully until recently, programs accessing the network may attempt to use it—but it may currently not be working, giving the issue you describe. Here are the zone files for the dns server: Aug 28, 2014 · In my case, everything else was fine: mDNSResponder was running and working, host/nslookup worked, both /etc/resolv. Also using 8. The issue could be a cable, switch, router or firewall problem. 2. conf is: # This file is managed by man:systemd-resolved(8). For instance, if you open the abc. However, if I ping pi. km ) and that canonical name doesn't resolve to an IP address, that's why those tools cannot get an IP address. when i was connecting corporate vpn non of resources was pinging, also nslookup was showing the dns ip but not Server name. This would cause DNS tools to work but everything else to fail. com ping: unknown host google. Oct 26, 2022 · Until last week everything worked, today suddenly all DNS-Entries which do not exist externally do not work anymore until I remove the second DNS entry, in my case also 1. Then the ping works again. 6, but after clearing the DNS caches it starts working. 1 The local IP is my local PiHole, which I mainly use as a local DNS Server. Feb 19, 2025 · If your NSLookup works but Ping fails on Windows 11/10, then this guide offers definitive solutions to fix that problem. It sends a name server query to the DNS and obtains the corresponding IP address Jun 14, 2014 · Had the same thing happening to me, able to ping external hostnames but nslookup gave nothing but the '2 second' timeouts. The best thing to do is setup split DNS. exe. Jun 16, 2010 · Was working pretty good but then I upgraded to the current release (3. client vpn software was creating the problem,after uninstalling the client vpn software , i was able to access resources through vpn. You could also try to nslookup the hostname in question on a public DNS i. Oct 26, 2013 · This should result in a "fail fast" behaviour that makes more sense than non-deterministic connection delays. eu 192. 0/24. I have one server configured with AD, DNS, Hyper-V, DHCP and so forth. But I could still ping my DNS server(the Google DNS). com NOT working) nslookup IS working; ping -4 name. When I brought the machine in for testing, I found that I could do an nslookup just fine, and I'm able to ping addresses returned by nslookup just fine. xxx. After trying to ping, run "arp -na" to see if you got a MAC address for the IP you tried to ping. So while this fails: I would try to nslookup other local hosts, to see if the LAN DNS is functioning. Despite all that, DNS resolution in general (e. 8 as server returns nothing. Aug 7, 2019 · If I boot to Windows "safe mode (with networking)" it works fine. By all accounts, the domain and DNS is working correctly. mynet. Sep 30, 2024 · We have noticed that sometimes, Windows fails to resolve the domain name when one tries to ping it or do nslookup. apple. So, here in this article, we will discuss in detail the fixes to resolve the Nslookup works but ping fails on Windows 10 and 11. 114 Nom : node1 Address: 192. The ping command sends packets of information to the IP address or the domain and checks for replies. com and dig google. That is, it […] Jul 4, 2008 · Re: Dig / NSLookup work, ping fails Originally Posted by HalPomeranz Without the trailing dot ("ping laptop1") your machine is actually trying to do a lookup for "laptop1. km is a CNAME ( mailtest-4. I'm using Ubuntu 18. com but when I run docker run busybox ping -c 4 184. Ipconfig /flushdns should resolve this issue by clearing the negative cache, assuming a simple configuration (no intermediate/backup nameservers also caching the negative lookup, no hosts entries, etc). Dec 8, 2009 · I still can't resolve from my Mac. B) The DNS cache is corrupted. 22: bytes=32 time=12ms TTL=127 But I cannot find an equivalent flag for ping in Linux. 128 So if your nslookup works but ping fails on your Windows 10 PC when querying the IP address of a website then it could be caused by many reasons. Thoughts on how to resolve? Apr 17, 2023 · PS C:\> ping /a 10. If they fail try the fqdn dc1. NSLOOKUP works, DIG (from Linux) works, so local DNS forward and reverse zones are functional, local DHCP server provides IPs and DNS information as expected. 168. 20 Name: nuget. com works great, as kube-dns is running on the master. I have an Active Directory / DNS(10. a. When I execute “ping XXX” on Windows 11 (24H2), it returns “Ping request could not find host XXX” (XXX is my company’s internal network domain name), but when I execute “nslookup XXX”, it returns the correct… Sep 20, 2017 · When at home, sometimes the internet access is unstable, the browser cannot show any site, it's not related to my router. Feb 25, 2014 · I am using Mac OS X 10. For example, if you previously used ping windowsreport command, try using ping windowsreport. com, but nslookup returns the correct ip address for google. Dec 26, 2017 · Expected Behaviour: The hostname of the Raspberry Pi running the pihole service is pihole (192. So, it’s recommended to reinstall network adapter drivers when the issue occurs. Do not edit. 103): icmp_seq=1 ttl=64 time=4. Of course pinging by ip address works just fine. 8), it worked for about 24 hours after startup, then failed. What I tried. This works fine in the browser, and also when I use ping. conf and networksetup reported the correct DNS servers, etc. 120. 239. ping, on the other hand, uses the system resolver to resolve names, and so the query might go to other DNS servers. The whole issue revolves around the fact that the vendor software checks to see the target is alive before allowing connection, and I’m assuming it uses ping method because it gives a warning it can’t reach the target host and won’t let you connect. conf has to include dns for host. Nov 4, 2022 · So, the issue we are discussing here is that the Nslookup command is working fine but the ping drops all of a sudden. When I use ping, it resolves to some random public IP address. All my other devices have the DNS Settings given by the main router via DHCP. com (You'll have to Ctrl-C out of this command once you get results or decide to Jan 29, 2018 · Windows 10 DNS lookup works via nslookup, but ping and other application based attempts to local network resources fail. 1 while 1. com fails to return anything (nothing printed on screen) nslookup www. If your Nslookup works but Ping fails on Windows computers, then this guide offers definitive solutions to fix that problem. That busted the bridged mode kinda. Both ping and nslookup work from the Mac: Mac$ nslookup internalhost. Here's what happens: Oct 30, 2012 · This should make ping wolfman work. com just fine. at. In this container, I can ping external IPs successfully. Jul 6, 2015 · @HåkanLindqvist I'm afraid not, it's unstable, I try serveral times then it works. 04. Has any of you seen this issue before? Oct 20, 2021 · ping www. 2). We upgraded a few of our machines to macOS 13(Ventura) recently, post the upgrade DNS resolution is working with nslookup and dig but curl and ping commands are not working Jul 8, 2019 · This is a weird one: Environment: Single Windows 2016 DC (Win 2012 functional level) DHCP DNS Multiple 2008 and 2012 R2 servers (Files, SQL, ERP) Mix of Windows 10 and Windows 7 clients Issue: I have just one of 40 computer that is unable to connect to any of the file servers or internal resources, however it has no issue with resolving external servers and website and getting email from O365 Aug 18, 2023 · The ping command does not work as well. mycompany. Dec 1, 2008 · When you ping the fully qualified name of the server this should then work. conf within the pods. Ping host1 - fails with ping could not find host; Ping host1. nucme ping: cannot resolve 123. This is on OSX 10. #ping google. You can also try arping to to see if that works. They fail with "unknown host". So to explain. #dig kppfs. nslookup works: PS C:\Users\Administrator> nslookup nuget Server: ad-01. 6. 05-arm-linux-gnueabihf ] Feb 3, 2022 · ping asked the OS to resolve google. Nov 4, 2016 · dig doesn't work for all of them - your second nameserver (200. When I ping either host name, or host name with fully-qualified domain name (FQDN), I get: Jay-Imermans-MacBook-Pro:~ jimerman$ ping Wkstn8 ping: cannot resolve Wkstn8: Unknown host Jay-Imermans-MacBook-Pro:~ jimerman$ In the network I am having troubles with, nslookup against dns server 1. Bummer, ping doesn't find it. All clients are on W10 1607 (that are Oct 4, 2023 · This is an unusual workaround, but it worked for some users. com’ docker run Jul 13, 2023 · nslookup works fine; dig works fine; ping only works with ip address, not with domains; wget and curl also fail to resolve /etc/resolv. C:\\Users\\Alexandre>nslookup node1 Serveur : pi. conf file. Restarting dnscache service doesn't work. But then I did a ping on the hostname of that machine: PS C:\Windows\System32> ping hass Ping request could not find host hass. 8). The nslookup command provides functions for checking different DNS records and servers. fernando@desktest:~$ nslookup ldap. I have configured the VPN nic to append a dns suffix. conf on myhost2; So this is not (I guess) a DNS issue as nslookup queries work fine from the container, but I can't figure out why other application (like ping or wget) can't Apr 4, 2024 · One of my Fedora systems will often fail to do DNS resolution. 10 nameserver 1. It's like this for all command line programs and e. 22 Pinging somehost2 [10. I read the following thread carefully and my configuration appears to be the same as in Sep 3, 2015 · It is sufficient to disable IPv6 protocol on UTP/LAN interface used for VPN to make it work (to remove/not_use global IPv6 address on the client). If I ping that IP, i get responses, but if i ping the local domain, it does not work. 25-2018. com der Name der Website ist, wird diese Situation an der Eingabeaufforderung folgendermaßen aussehen. 222 (openDNS), though it sounds like public resolution is working fine. I have two different FreeBSD servers (different hosting companies), both exhibit this same behavior: They pick a specific IP address (216. nslookup <any FQDN>. nslookup on the other hand defaulted to doing an lookup over IPv6, which by the look of things probably isn't configured correctly, hence no reply. 243. In particular, only lookups with the host command seem to work, i. Nov 4, 2022 · NsLookup is a tool included with many operating systems that can look up IP addresses and perform other searches on DNS domains and servers. NsLookup is a basic way to get basic DNS information quickly and easily. com 호스트를 찾을 수 없습니다. com Pinging www. Instead, the issue was fixed by editing /etc/nsswitch. Oct 27, 2024 · nslookup dc1 10. com is NOT working. But nslookup always works. This article dives deep into the reasons behind the issue where "Nslookup works but Ping fails in Windows 11 and 10" and offers comprehensive steps to troubleshoot and resolve it. If nslookup works but ping fails for a domain, what could be the issue? A) DNS resolution is correct, but the host is unreachable. com) (this is the IP of microsoftonline. service. 220 I get: 4 packets transmitted, 0 packets received, 100% packet loss I’m also unable to docker run ubuntu apt-g&hellip; Aug 5, 2020 · But ping 192. But you'll get the same information by pinging your gateway and then checking the arp tables. Nov 24, 2017 · > 最近两周碰到了不同场景下四个DNS问题，所以记录一下 这几个Case描述如下： 1. com Ping 요청에서 projects. redhat. 17 Ping fails: PS C:\Users\Administrator> ping nuget Ping request could not find host nuget. nslookup. 128 $ ping abc. But now a nslookup: PS C:\Windows\System32> nslookup hass I'm having an issue which recurs every few days, whereby ping cannot resolve a hostname on my LAN (but nslookup is able to). ” Your ping is contacting resolvers, but not the same ones (or not all those) that nslookup is. corp. 2 nslookup dc2 10. Ask your ISP or first-hop transit provider to set up a working 6to4 relay. 217. 1" last. com Sep 15, 2014 · Ping, nslookup and tracert all work as expected but the browser and other applications including telnet are unable to get any internet access. local - also fails with ping could not find host; IPConfig /displayDNS - lists host1 as Name does not exist; NSLookup host1 - works fine and resolves router Feb 5, 2022 · Responding as expected. Nslookup is a tool that allows you to troubleshoot DNS issues. hole Address: 192. The tool is available on macOS, Linux, and Windows operating systems by default, and it was the first tool for querying DNS. The result of sudo netstat -anlp | grep -w LISTEN is: Apr 18, 2024 · DNS works in terminal but not elsewhere in Mac OS; Terminal/Safari Cannot Resolve Host But Chrome Can Connect; DNS resolution works for nslookup but fails in browser while using openconnect; DNS not resolving on Mac OS X; How to fix when I can nslookup and dig an internal hostname, but I cannot ping or ssh to the internal machine? Mar 28, 2025 · C) ping -p 53. dev. I am VPN'd into a network "DCCorpNet" and wish to complete an nslookup against the enterprises domain "enterprise. Wenn beispielsweise XYZ. local: Unknown host. Aug 11, 2016 · Hey guys and gals. To check this, you may run nslookup against a specific DNS server using: dnslookup lexmark SERVER May 9, 2020 · My ISP works fine as I can use other devices. command and check if that works. 26. xx. Jan 28, 2014 · Hello everybody!!! I’m working on my final project and it consists of doing a small network with Active Directory, DNS, DHCP, FW, DMZ, Exchange, etc, etc… Right now, I’m having a little problem with my DNS and my DMZ. i tried all the things but finally i got solution. 1 with google. 1; ping myhost1 -> bad address; wget myhost1 -> bad address; wget google. Local resolution fails (ping) until the (5 minute?) negative cache timeout expires. Obwohl sowohl nslookup als auch PING Ihnen bei der Identifizierung des Hosts oder der IP-Adresse helfen, funktionieren sie nicht immer und schlagen manchmal fehl. 8. conf file) whereas these other tools talk directly to DNS servers listed in /etc/resolve. 1 is successfull. example. I'm even able to bring up web pages by entering the IP address into the address bar directly. Jun 9, 2014 · I am having a confusing problem on one of my hyper-v host servers. Other devices are fine xxxx ~ % nslookup 8. One easy way to verify WINS resolution (since there isn't a standard "winslookup" type utility) is to ping the target host: ping sh-server Nov 17, 2021 · Use nslookup. Apr 22, 2015 · When I try to ping google. However, nslookup behaves very strangely: nslookup <any FQDN> <any DC server> works incorrectly, appending example. com". Way 4: Reinstall Network Adapter Drivers. When I am trying to ping a particular domain it returns me "Unknown host" but when I run nslookup on that same host immediately it returns me the correct IP. Information I have an internal host internalhost. ping server. However, if you do an nslookup it will still return the IP address of the host you're Sep 29, 2021 · nslookup is a command-line tool that helps to find DNS records of a website. That lookup fails. The VPN is configured to be full tunnel. com website, here’s how it will look like: nslookup xyz. Jul 4, 2021 · Try making a DNS query at 192. I think it comes from my mac, because the "ping fqdn" did work, and then stop. com, it will tell me can't resolve 'google. nslookup targetHost 208. conf, ping can fail to resolve a host even though nslookup succeeds. If this is done right, it will result in the best experience for end users. eu 9. It could be that the nslookup queries work for you but when you try to use PING, it fails. Also, you can check your ARP cache - this will show you the MAC - IP mappings within your subnet. Dec 26, 2023 · Nslookup works but ping fails? Here's why and how to fix it. I’m following the DNS logs on the windows server and there is nothing about the queries. In my case a Sequoia MacBook does not receive a DNS configuration despite having a DNS configured in resolv. I was querying the netbios name, domain name, and server FQDN via nslookup and all gave successful addresses. hole it succeeds. However, when I use dig or nslookup, I cannot get resolve working. However, when I try to ping the domain name rather than the IP address, it just sits there. Let’s try with a simple container : busybox Here are the commands tested docker run busybox nslookup google. xyz If fqdn works and the single name does not, then your machines are not getting a DNS suffix. local ping: cannot resolve abc. Everything connected in that network (2 servers) do ping the DNS server Oct 23, 2017 · Yes, anything via IP works fine. wc. The mail app will not work too. So here’s my setup. See below: H:\\>ipconfig /flushdns Windows IP Configuration Successfully flushed the DNS Resolver Cache. If the ping by IP address succeeds but the ping by name fails, it's probably a name resolution problem. I tested nslookup and the DNS entry is there. If the host 192. 1 My problem is that I can access the Windows servers' shared files, I can ssh to the CentOS machines, ping works as well as nslookup, but when I go from my browser to gitlab. ” at the end each time you query using PING or tools like that. com [142. The Linux resolver randomises between entries in resolv. 8 as dns server does not work either. There is no VPN involved. May 2, 2023 · nslookup myhost1 -> 10. fail from time to time (not always). 1 instead of nameserver 127. May 24, 2018 · Certainly seems to be a DNS issue. 243#53 Name: ldap. If nslookup works but ping fails, perhaps you can fix the problem simply by adding a dot after the domain. search. nslookup Jun 30, 2016 · Expected behavior Ping to an internal host (a host that’s resolved by company dns) should succeed from within a container. I know A records exist for the hosts I'm checking against so I expect 'nslookup SomeHost. 22: bytes=32 time=6ms TTL=127 Reply from 10. g. I can ping basically any valid name I want and get a response, but nslookup fails. 113. . please help! Feb 10, 2020 · 하지만 해당 도메인에 ping 또는 웹페이지 접근 등에 대해서는 아래와 같이 실패를 한다. com, and the OS decided that it's going to return the IPv4 address to ping, probably because its IPv6 connection wasn't working. Mar 13, 2023 · I understand that Ping and NSLookup do not use the same resolution methods. See if all of those pass or fail. 185. This resource is in a utility called nslookup. com both returned unknown host. 255. But it is quiet strange, using 1. 0. net The nslookup command works, indicating that the DNS service is reachable and can resolve domain names. If nslookup works but ping fails, it means that your computer can resolve the domain name to an IP address, but it cannot connect to the server at that address. local the DNS server returns the corresponding IP address, but it doesn't return the hostname when I run nslookup xx. xxxx ~ % nslookup google. It works with no problem when the client is connected to the Internet by Wi-Fi and IPv6 is available (client has global IPv6 address and has no UTP/LAN connection). 8 while nslookup using 8. I already tried restarting the laptop and firewall is disabled. engineering. Sometimes, NSLookup works but Ping fails due to corrupted network drivers. Nslookup works fine when resolving the name of the machine and pinging works w/out issue for both IP and name. But this issue may come up again after minutes or hours. ext and nslookup host. Pinging any ip whether it be on the internet or local works perfectly fine, but any DNS resolution does not work including localhost. When I edit /etc/resolv. 110: bytes=32 time=29ms TTL=115 Reply from 142. yourdomain. com) Overall, this sounds like it could be a number of things including DNS hijacking, corrupt network somewhere, or something else strange with Windows. com [172. I’m connected over an IPSEC l2TP VPN. Nslookup works fine because it skips the local resolver. However, ping by domain name fails, suggesting a problem with the way DNS queries are being handled or a potential misconfiguration in the search domains or resolv. com Server: dns. Example 2: you asked nslookup on a different computer to lookup A. 1 – if you receive a response from this address you'll know it's not legitimate, because this address does not exist anywhere on the Internet. Specifically, ping is not The problem is that I cannot ping a device by it's hostname on my Debian 8 server. If I do nslookup google. This works both for IPV6 and IPV4. May 29, 2018 · The same argument goes for ping -a. I have confirmed that the DNS servers are accessible from other machines. nslookup wolfman (name server lookup: wolfman) sends the hostname (wolfman) to the DNS (domain name system) to obtain the corresponding IP address. Mar 6, 2019 · We have also newly installed Jenkins and Gitlab on two different CentOS 7 machines. com, I get ping request could not find host google. I had the same issue on a Fedora 34. I can use nslookup and dig correctly. Problem statement. local Address: 192. May 11, 2023 · I mean that the google Chrome will resolve names but Safari don't. If I fire up Network Utility, I get the same problem on the Lookup tab (probably since it uses nslookup or host on the back-end). IE cannot display the webpage. Jan 11, 2022 · Expected Behaviour: Be able to nslookup a local DNS using Pihole as DNS, and be able to see an HTTP server and ping the machine Actual Behaviour: Lookup is working and is giving the correct IP. In my case it turned out to be the firewall software (TinyWall). Sep 30, 2019 · However, neither ping or ssh work ('login' is a bash script that uses my key): christopher@HAL4:~$ ping web4 ping: web4: Name or service not known christopher@HAL4:~$ login web4 ssh: Could not resolve hostname web4: Name or service not known My /etc/resolv. com NOT working The most obvious symptom of this problem is that nslookup IS working, while ping -4 name. ) Jul 23, 2022 · I didn’t say that ping in your case isn’t using DNS at all: “If NSS isn’t configured to use the same resolvers as those configured in /etc/resolv. e to 8. This will specify domains that should be resolved on the other side of the VPN. when i tried typing the hostname into a browser it redirected me to a url on the internet, so naturally i tried pinging it using the hostname but it didn't work, whereas the ip is fine. (I was connected via VPN and the VPN client had correctly updated resolv. com Address: 192. 8) nslookup google. Oct 21, 2024 · Common reasons why nslookup works but ping fails. Understanding Nslookup and If it's a local ping (you can't ping your GW), take a look at the arp tables. nslookup works fine Ping. However, if you fire up a terminal window and ping google it resolves, and nslookup on google works too. 4). The issue is intermittent and seems to resolve itself after a while. I can ping and even RDP into the windows server, however when using nslookup, DNS will not resolve. net. May 28, 2015 · Mac Pro Mods PowerMac G3 B&W PowerMac G4 PowerMac G4 Cube PowerMac G5 Others Retail Cases Modders Tools 3D Print Resources CNC Templates PCB Templates Hardware/Parts Hand Tools Power Tools The Tools Announcements UniBeast UniBeast Archived Threads MultiBeast MultiBeast Bug Reports Oct 30, 2015 · The OS has some defaults nslookup tells you that it's using a nameserver at 173. Windows can resolve these addresses: C:\Users\iain>ping www. local abc. Aug 17, 2010 · DNS tools typically use the interface's DNS server instead of querying through the OS (where Cisco's VPN client sinks its teeth). com nslookup funktioniert, aber Ping schlägt fehl. Sometimes, when trying to run the nslookup command, they encounter this; however Oct 10, 2019 · Hi ! I had initially the problem with docker-compose, unable to reach a debian update site Then I was able to build the image with --network host. 8 ping and curl are trying to get an actual IP address but the answer to the resolution jenkins-deb-builder. com' * Closing connection #0 curl: (6) Couldn't resolve host 'google. Jan 20, 2013 · However in Mac OS X Lion 10. If you have an local authoritative server that's incorrectly setup, you'll fail internally, but work externally which will hit a different DNS server ultimately. com' to return an IP address. if I use nslookup, it uses the internal DNS server which returns not result, which would be fine. 9 as well as using the router with nslookup europa. 1 as second entry: nslookup makes the right resolution. enterprise. This is the sole purpose of the nslookup command. 61 ms I use ping as an example because it's simple, but most of the other tools I need to use show the same results as ping. google. ping <website name>, nslookup <website name>. conf? Did I understand from the comments that nslookup works even when your Mac is still set to use your router's DNS proxy at 192. com returns an IP. May 6, 2020 · Hello! I’m currently trying to find out why I can’t resolve a simple DNS query against my Windows Server 2016 DNS. 67. 251. google. Everything connected in that network (2 servers) do ping the DNS server Jan 28, 2014 · Hello everybody!!! I’m working on my final project and it consists of doing a small network with Active Directory, DNS, DHCP, FW, DMZ, Exchange, etc, etc… Right now, I’m having a little problem with my DNS and my DMZ. conf by default and I'd guess your ping has hit the failing resolver. dxrhg shyzeof fxyzrv hzgt qie vkns rscel vqb ukga zaxyo hkrgdnpr smcbwq eshtjcu jyp dgx