Questions tagged [nslookup]

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How to get IP address of my proxy server using CMD or PowerShell

I use a proxy application (like Psiphon or ProtonVPN) to connect to the internet. I want to get my IP address that I'm connected to the internet with. I need to use CMD or PowerShell because later on,...
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1answer
93 views

Nslookup does not resolve IP addresses using the secondary DNS

I have two Ubuntu 18.04 DNS servers and a Windows 7 client in a virtual environment. I have set the Ubuntu servers for clients' DNS. The first one is offline and the second is online. When i try to ...
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44 views

postfix in docker cannot resolve hostname of relay host

My postfix instance running in a docker container seems to be unable to resolve the hostname of my relay which is outbound.mailhop.org (formerly Oracle and now owned by DuoCircle). Relay fails with ...
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150 views

How do I do a reverse DNS lookup from IP address to domain name?

I want to know the source of a server IP address domain name. For example, as shown in the picture, the domain name meping.igamecj.com replies with 20 addresses, so my main question is how do I use ...
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Strange issues with Wget, DNS, traceroute and VPN on router using BusyBox

Wget is not working on my router anymore because DNS queries from the router are returning IPV6 as “Address 1” and IPV4 as “Address 2” and wget (in BusyBox on the router) does not support IPV6. Take ...
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1answer
48 views

Get sub domain on AWS by IP address

I have AWS Route53 zone hosted for my domain xxx.com. Inside I have A record that maps sub.xxx.com to my server IP 1.2.3.4 How can I find the sub.xxx.com value by just passing the IP? I tried ...
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84 views

Why doesn't it show the dns name registered on no ip with nslookup, dig or host?

Why doesn't it show the dns name registered on "noip"(ddns.net) with command nslookup or host start from my ip?
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nslookup dns reverse lookup not displaying Server: or Address: anymore?

My dns server is no longer displaying the Server: and Address: when using reverse IP lookup. The command works succesfully but I can only get Server: and Address: being queried when using "-type=a or -...
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494 views

nslookup failures *** UnKnown can't find www.vmware.com: Query refused

I am on a VMware environment. On the host machine I do C:\WINDOWS\system32>nslookup www.vmware.com Server: UnKnown Address: 109.169.85.7 *** UnKnown can't find www.vmware.com: Query refused ...
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696 views

Why I can't ping external IP and resolve DNS from this Linux Ubuntu machine?

I am not so into networking and systems engineering. I have an Ubuntu 18.04 VM that is in a network of a client that is 1) Unable to perform ping of addresses external to the network (but I can ...
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1answer
54 views

DNS redirect to localhost

Is it normal ? I configured in Windows settings the IPv4 DNS of OpenDNS and the nslookup in CMD return for a domain [::1] or 127.0.0.1 from fe80::a63e:51ff:fe58:9ddd I tried the same on WSL and and ...
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Why does NSlookup return IP address even if the DNS server is fake?

Originally asked in a newsgroup, full log: https://groups.google.com/forum/#!topic/microsoft.public.windowsxp.general/Ll32NWComwY The snapshot shows the DNS answer is truly returned by the fake ...
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1answer
88 views

Having two IPs for same hostname — ping is sticking with the old IP and not trying the new IP

I thought there is a 1:n connection between IP and hostnames. However what I get is this [me@neo ~]$ nslookup dozer Server: 192.168.178.1 Address: 192.168.178.1#53 Name: dozer.fritz....
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1answer
946 views

NSLookup not working (Win10)

I'm currently having problems accessing one of my clients servers and it seems that there is probably a problem with the network connection between myself and the server. However one of the things I'...
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1answer
70 views

Why does a nslookup on Amazon's DNS servers return NXDOMAIN?

I ran nslookup on amazon.com and received: Non-authoritative answer: Name: amazon.com Address: 205.251.242.103 Name: amazon.com Address: 176.32.98.166 Name: amazon.com Address: 176.32.103.205 ...
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1answer
311 views

why nslookup return a private ip address first

why below nslookup return 10.172.0.1 , what does that mean? nslookup -type=mx www.google.com Server: 10.172.0.1 Address: 10.172.0.1#53 Non-authoritative answer: *** Can't find www.google....
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1k views

NSLookup Unable To Resolve Local Computer's Hostname

I went through all of the suggestions here: Windows unable to resolve hostnames I recently discovered that I cannot resolve any Windows host name (i.e., the computer name). For example, if open a ...
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1answer
981 views

Unexpected IP Address When Using NSLookup

My desktop is running Windows 10 Enterprise 64-bit along with an ASUS RT-N56U router. My router's DHCP range is from 192.168.3.2 through 192.168.3.100 and the gateway is at 192.168.3.1. But this ...
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2k views

Is it possible to show I got non-authoritative answer from which server?

I am not very clear with how the non-authoritative answer is given. For some domains I get this kind of results: root@localhost:~# nslookup > set query=ns > foo.org Server: 8.8.8.8 ...
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1answer
348 views

What's the NXDOMAIN meaning of nslookup?

I use nslookup to check a domain's IP address: dele-MBP:~ dele$ nslookup www.ts111.com Server: 192.168.2.1 Address: 192.168.2.1#53 ** server can't find www.ts111.com: NXDOMAIN but what's the ...
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Multicast name resolution in the latest Win10

Version 1803 (OS Build 17134.590) I haven't found any working solution for the multicast name resolution issue in Win10. I cannot imagine, that everybody started to set-up an own Domain Name Server ...
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Why has one PC suddenly become unable to see one one particular website?

The website is bitbucket.org. I only noticed when a push timeout out. The issue is only on one PC (Win10). Chrome, Firefox and Edge all have the issue. All other PCs' on the network, and an iPad, ...
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1answer
729 views

How do I block domains using the hosts file on Windows?

I used to block domains on Windows using the hosts file like the following: 127.0.0.1 www.cnn.com However, now it is not working and the domains are resolving. $ nslookup www.cnn.com Non-...
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1answer
129 views

How come this query shows the same address for non-authoritative answers and authoritative answers?

So, if i query slash16.org: nslookup -type=ns slash16.org Non-authoritative answer: slash16.org nameserver = ns-686.awsdns-21.net. slash16.org nameserver = ns-1989.awsdns-56.co.uk. slash16.org ...
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1answer
52 views

nslookup works on 5GHz network but not 2.4GHz

We recently had a power interruption, and our wifi thermostat now has intermittent connectivity. I contacted the thermostat manufacturer, and they said that nslookup has to work for the thermostat to ...
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1answer
8k views

Using nslookup with google IPv6 DNS?

I am trying to use nslookup to query google.com with 2001:4860:4860::8888, which is google IPv6 DNS. But I get no response, eg connection. always times out. When I try same procedure just as DNS put ...
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2answers
3k views

NSLOOKUP fails while ping -a and Resolve-DnsName -DnsOnly succeeds

I am trying to complete an nslookup for a number of hosts on an affiliated domain, but all nslookups fail. The usual explanation is that the connection is due to NetBIOS however in this case Resolve-...
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1answer
2k views

Why is “dig localhost” so much quicker than “nslookup localhost”?

When looking up the address for localhost, nslookup localhost takes ~15 seconds: $ /usr/bin/time nslookup localhost ;; connection timed out; no servers could be reached Command exited with non-zero ...
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1answer
2k views

LLMNR vs DNS - Why is 'ping' using llmnr instead of dns, unless I append a '.' to the hostname, and why is llmnr not working?

I am operating on a LAN closed off from the internet, and there are a few devices (A, B, C, ...) connected via ethernet cable to a single router making this LAN possible. Operating system on all ...
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892 views

Why does Chrome take longer to resolve new DNS entries when ping and nslookup works immediately?

I have an internal DNS server with a TTL set to 300. Whenever I add a new host, the command line ping and nslookup commands work immediately and resolve the new address without issue. However in ...
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124 views

How to set up DNS server on same machine as web server?

I'm trying to set up a DNS server on the same box as my web server. I have been following this tutorial and others like it but none of them describe what to do if the DNS server is going to be on the ...
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1answer
55k views

Why does nslookup return “DNS request timed out”

I was using a public computer on some public network and wanted to see how nslookup worked there. I tried set type=ns for some web-site and got this message: DNS request timed out. timeout was ...
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348 views

A weird IP with ping: different from nsLookup IP: different from actual IP

On another PC Can Google remote desktop into AcerDragon. But when accessing it via network, it cannot be found. C:\>ping acerdragon Pinging acerdragon.home **[192.168.1.9]** with 32 bytes of data:...
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1answer
2k views

How can I successfully lookup hostname from an IP, but not vice versa?

Have a look at the following commands and their respective outputs: $ nslookup 202.83.21.28 8.8.8.8 Server: google-public-dns-a.google.com Address: 8.8.8.8 Name: broadband.actcorp.in Address: ...
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1answer
438 views

DNS / Split Zone Environment

i'm trying to configure a domain environment which has same internal and external domain name. Say - Internal -- aishwarya.com = 192.168.50.100 External -- aishwarya.com = 185.85.85.85 i've some ...
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1answer
3k views

NSLookup in PowerShell always throws RemoteException error

When I run nslookup from a PowerShell script, I always get an error (which is output to the console) despite the fact the lookup succeeds: PS C:\Windows\system32> $MyOutput = nslookup -q=SOA ...
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269 views

nslookup issue in Linux

I want to check the host name of particular IP using nslookup in Linux. When I try to execute nslookup X.X.X.X the following error is showing, ** server can't find X.X.X.X.in-addr.arpa.: NXDOMAIN ...
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1answer
412 views

nslookup change standard server permanently

I've configured bind 9 in my local network environment to make management of servers a bit easier. However, nslookup requires the manual option of "server={x}" in interactive mode, because the default ...
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1answer
7k views

Can connect to port 53 but nslookup fails

Trying to get my DNS back up and running after my server was shut down for a week. My issue is that I can ping / telnet port 53 fine from the outside world, and I can nslookup fine from inside the ...
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2answers
2k views

nslookup returning local router name and address

I am using nslookup to query external servers such as google.com, but when I do this what I am getting back is my router's name and IP address. Nslookup response after hitting google.com $ ...
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1answer
15k views

nslookup DNS query won't display authoritative answer

I am trying to get the authoritative DNS servers for a server in Europe per my assignment instructions. I looked up how to do it and got two different ways. One is: nslookup -type=soa ox.ac.uk And ...
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1answer
2k views

NSLOOKUP returning 2 IP Address

When I do nslookup, it is returning my own DNS and the IP address of the server that I'm doing nslookup. How can I avoid it printing my own DNS server? @echo off for /f "tokens=*" %%A in (servers....
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3answers
1k views

How to you override the default dns configuration in ubuntu so that nslookup returns static values?

The nslookup, dig and ping return different values for me. I want foo.bar.name to always resolve statically to localhost on my machine. I used the command host foo.bar.name and edited /etc/hosts to ...
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3answers
5k views

NSLookup Has Stopped Working (Won't Start)

NSLookup on Windows 10 x64 (10.0.14393) cannot be started anymore. Earlier today, I would be greeted by the prompt after running nslookup from CMD. Now, I am greeted with this screen: The program ...
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1answer
817 views

Difference between Mac OSX nslookup and resolveip

I assumed nslookup would either error when looking up non internet names or would give the correct answer but I'm confused by the following behaviour. Have I misunderstood how to use it or its output/...
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2answers
6k views

Ping resolves hostname but can't access website

I'm having an issue with a Windows Server where it can ping a specific hostname but has no HTTP access to it. The server does have internet connection (google.com, superuser.com, etc), it's only two ...
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704 views

Error message “You were not connected because a duplicate name exists on the network”. Where is the other computer?

I'm having a very similar problem as in this similar question: When trying to copy something from another computer, I receive following error message: You were not connected because a duplicate name ...
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2answers
698 views

Understanding Nslookup root=NAME

Good day, the task to describe what makes the parameter Root nslookup utility. The problem is that when I try to change something with the aid of this parameter, then get back "Unrecognized commands""...
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2answers
2k views

Why NSLookup is giving different result than Ping?

Let me confess, stupid question. but its not a duplicate question. I was trying to see what is IP address of some server (its a local server, within LAN). when I simply did, 'Ping someServer' I got ...
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527 views

ip address range of the google.com to configure firewall

I would like to know the ip range of the google.com to configure firewalls. I found this article https://support.google.com/a/answer/60764?hl=en but it doesnot help either. How can i find complete ...