Questions tagged [nslookup]

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3answers
196 views

How to properly test a local DNS server locally?

Context I intended to set up a local DNS server with Technitium and would like to verify the local DNS server returns the correct response when it is being queried for a domain. It does not work while ...
0
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1answer
14 views

no outside internet access from machine

Running multiple ubuntu machines. everytime I curl something I get a curl(6) could not resolve host: www.google.com nslookup gives me a time out apt-get update fails with error: Temporary failure ...
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0answers
19 views

I cannot access any website other than google by writing its IP address in my web browser

As an initial learner of Computer Networks I am exploring nslookup command. When I paste IP address of www.google.com given to me by my DNS server (which is 8.8.8.8 google DNS) it open the Google's ...
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1answer
39 views

nslookup from another name server

I need help figuring out why my DNS queries are being refused. So this works: And this does not work: I can perform a DNS lookup of aiit.or.kr from Google DNS (8.8.8.8) however I can't perform the ...
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1answer
430 views

nslookup: disable reverse dns lookup on dns server on windows/linux

when you run: nslookup domain dns_server the utility performs a reverse dns on the dns_server, even if a hostname was provided instead of an IP. is it possible to disable that feature?
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2answers
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What does the # symbol after an IP address mean?

I resolved an IP address from a URL using nslookup and noticed the following: nslookup https://example.com Server 192.168.3.214 Address 192.168.3.214#53 What does the #53 at the end mean?
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0answers
47 views

Chain arp and nslookup to get hostname for each ip (Win)

I would like to see the name of the devices when i do arp -a. As far as I understand there is no option to do it directly with arp. So I thought that maybe it is possible to do nslookup for every ip ...
0
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1answer
38 views

Why my domain doesn't map to the server address?

I have installed DNS server and network manager on my remote server as by following this instruction: https://www.linuxtechi.com/setup-bind-server-centos-8-rhel-8/ as below: var/named/fwd.sssss.com.db:...
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0answers
72 views

can't run nslookup in docker (vis-a-vis hyper-v)

I'm trying to run nslookup in Docker inside of a Hyper-V VM and am unable to do so. I get my DNS IP address by doing vim /etc/resolv.conf. I then use that IP address as the DNS server for an nslookup ...
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0answers
1k views

nslookup and dig error: connection timed out; no servers could be reached - even when specifying server

I'm on Ubuntu 18.04.3 and my internet suddenly stopped working. I can ping local and WAN ip addresses and I have already restarted the network: sudo service network-manager restart These commands: ...
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2answers
1k views

Windows 10 ping not resolving name but nslookup does

I have a windows 10 machine that is exhibiting some odd behaviour. When I try and devices on my network by name they fail to resolve. However a ping -a of the iPaddress will resolve to the correct ...
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0answers
47 views

Windows 10 BIND nslookup different results than Windows\System32\nslookup.exe

I am seeing some differences between using BINDs nslookup and the windows standard nslookup. It appears the windows nslookup is configured to use a search domain that the BIND one isn't. PS C:\Users\...
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0answers
1k views

Windows 10 can't resolve hostnames - DNS timeouts

First, I apologize if the formatting is clunky, However the issue is real and a problem. The browsers (Edge Chromium, Chrome, IE11) either don't load the page or keep trying until success. I will ...
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1answer
65 views

backward nslookup ip in DNS setup centos 8

I setup a DNS server on CentOS 8. But the command "nslookup " has not correct output. The output not contains the nameservers which I set for it.
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1answer
5k views

How do I change the default server for nslookup?

So, I have two network cards in my computer on two separate networks. I'd like to have nslookup use slcity server as the default server. However, it automatically chooses sltv. How do I change the ...
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2answers
1k views

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,...
0
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1answer
2k 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 ...
0
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1answer
262 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 ...
1
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2answers
360 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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0answers
119 views

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
50 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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0answers
2k 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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1answer
5k 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 ...
0
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1answer
228 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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1answer
172 views

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
240 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
5k 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'...
0
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1answer
162 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
700 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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1answer
3k 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
2k 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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2answers
3k 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
680 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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0answers
42 views

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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0answers
35 views

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
893 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
153 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 ...
0
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1answer
54 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 ...
2
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1answer
13k 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
5k 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-...
0
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1answer
3k 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 ...
1
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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 ...
2
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0answers
978 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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0answers
195 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 ...
4
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2answers
86k 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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2answers
474 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:...
2
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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: ...
0
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1answer
468 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
4k 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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0answers
325 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 ...