Questions tagged [nslookup]

nslookup is a utility to query DNS name servers

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ping, nslookup, tracert not working, browser works fine [closed]

I'm sorry if I'm repeating question, but I could find solutions only to opposite issues. I'm having a problem where ping, nslookup, tracert can't resolve host and all of them return error, but browser ...
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Why my Windows DNS Server automatically add more TLD (.co.id) when i try to find domain using nslookup?

When i search a domain like google.com, nslookup automatically add more TLD (.co.id) to domain that i've looking for. How to fix it? Screenshoot nslookup on my windows dns server
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Interpreting my LDAP nslookup output

C:\Users\myuser1>nslookup Default Server: ns-xxx.xxxx.com Address: 1xx.xx.x.x > set types=all > _ldap._tcp Server: ns-xxx.xxxx.com Address: 1xx.xx.x.x Non-authoritative answer: _ldap....
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1answer
55 views

Win2016 DNS Manager nslookup returns Default Server: Unknown

I have a Windows 2016 server running as a Tertiary Domain Controller and the issue I'm seeing is that when I run nslookup from the DNS manager it returns 'Default Server: Unknown' with the correct ...
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1answer
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Why is the reverse zone name appended to the returned domain names in reverse DNS lookup?

Not sure if I missed something when I set up the PTR records for the hostnames on FreeIPAv4. We use FreeIPAv4 to manage the identity and policy on the LAN. When I conducted the reverse DNS lookup ...
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ping returns IP from hosts file but not nslookup in windows 10 [duplicate]

We host our application in two data centers. During a production update, we point the customer traffic to datacenter1 and test the update by adding datacenter2 IP in our hosts file, where the update ...
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3answers
4k views

Why does “nslookup -type=mx YAHOO.COMYAHOO.COMOO.COM” return a valid mail exchanger?

For the first one it returns: Non-authoritative answer: YAHOO.COMYAHOO.COMOO.COM MX preference = 5, mail exchanger = mail.h-email.net Also if you just duplicate the tld like C:\Users\dmorri>...
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1answer
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Standard Windows Server 2019 wizard setup with AD, DNS & DHCP does not resolve any DHCP client names

I am working myself through learning and setting up a pretty standard Windows Server 2019 (Essentials edition) serving as an AD PDC, DNS- & DHCP server for a very small network. I followed some ...
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1answer
130 views

8.8.8.8 returns NXDOMAIN randomly for all our subdomains

Our customers make quite a few domain checks towards Google public DNS with the following domains <userid>.sip.teltel.io, but they often fail. To others, like Cloudflare it is always successful. ...
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1answer
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Why do dig, host and nslookup return different results?

It seems my default (router) DNS server returns different results depending on the tool used to query it. Using dig: $ dig @192.168.1.2 test.example.com ; <<>> DiG 9.16.8-Debian <<&...
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Understanding TTL values in DNS query answers using dig

I'm querying google.com with dig and I'm having a hard time understanding why TTL values sometimes jump around instead of decrementing every second uniformly (which is my expectation). What am I ...
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1answer
336 views

Kubernetes through Virtualbox; Pods can't access internet services

System: VirtualBox, Debian 10 Server, Kubernetes with kubeadm I've setup a deployment and a service and I am exposing it via NodePort but my Pods somehow cant access the internet. The worker node ...
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How to lookup DNS Record in specific zone

For example I have a zone example.com and someone created a dotted hostname app.subzone which resolves to app.subzone.example.com in it. Now I create a new zone subzone.example.com and an record appin ...
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2answers
580 views

nslookup is showing different ip address for subdomains [closed]

I recently moved my web service to a new host. In the new host when my clients access www they get a message saying the SSL is not correct. Under my investigation, I found a problem with the name ...
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1answer
23 views

How can I map a service in Google Cloud Servers?

I am in the process of making our application into smaller services. I add the new services on a back end server (i.e. not accessible to public) and then make entries in /etc/hosts file of our web ...
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1answer
178 views

dnsmasq gives a correct response then a connection time out

When trying to nslookup to my dnsmasq dns server I get the correct IP address and then I get a connection timed out : no servers could be reached message. Any idea what is happening here and if I can ...
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nslookup: connection timed out; no servers could be reached

All of a sudden, my server (Debian Buster) can no longer connect to DNSs. When I try nslookup, it fails: $ nslookup www.google.com ;; connection timed out; no servers could be reached I'm not ...
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1answer
166 views

How to query site DNS A-Record?

nslookup -type=ns b92.net a.root-servers.net I got this Server: a.root-servers.net Address: 198.41.0.4#53 Non-authoritative answer: *** Can't find b92.net: No answer Authoritative answers ...
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1answer
73 views

Issues with DNS & SMTP with my Domain while setting webmail on my premises

My domain is worldlightingservice.com I've been able to work out a lot of issues that I had from searching on https://mxtoolbox.com/ (A records, dns, smtp, blacklist and many others) but I'm not able ...
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2answers
457 views

How to get my public ip using powershell

I tried using nslookup but I'm unable to parse the result : My current output : nslookup -norecurse myip.opendns.com resolver1.opendns.com Serveur : resolver1.opendns.com Address: 208.67.222.222 ...
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1answer
30 views

Windows Server 2012 DNS returns a useless tautology

For one hostname - myaccount.cargowise.com - our Windows Server 2012 DNS seemingly returns a useless and tautological answer; it resolves myaccount.cargowise.com to itself without providing an IP ...
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If the domain is banned in a region, would one be able to find a domain using nslookup?

If I were to use nslookup in a geographic region for a domain that is banned in that region, then would it be able to resolve the domain name to an IP address? Suppose, I use nslookup for "www....
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1answer
2k views

nslookup result for google.com

I am quite new to the networking world! I was tweaking with some networking concepts and I found that we can use DNS for load-balancing by having multiple records in a DNS name server. So I ran a ...
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2answers
818 views

Can I get all the virtual IP addresses given the CNAME

Is there a way to find all the aliases of the host? $ nslookup x x is an alias for y y is an alias for z z has address 192.0.2.45 So if I have z, is there a way of using nslookup/host/dig commands ...
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Different nslookup answers on different clients in local network with local DNS

Situation: I have a few clients in a local network. I have a server named amp003 with IP address 192.168.4.13 I have two DNS servers (each one on relative DC server). On client 1 I did following: ...
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1answer
51 views

Why does my website's locally retrieved name server appear different from one retrieved online?

My website is not resolving correctly, so I checked the name server via nslookup in PowerShell and see bodis.com. Then I checked online, hoping I checked the same name server, and see domaincontrol....
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1answer
101 views

How to identify the server providing a DNS response?

TL;DR: Where, in a nslookup www.somedomain.com -debug will I find the name/IP of the server(s) which reply to the chain of queries? Details: I have a setup (Windows 10 machine) which is connected ...
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2answers
274 views

Get DNS 'Additional section' using Windows (nslookup option?)

I can use dig to get the full master file output of DNS info, and for my problem I am interested in the information in the "additional" section: $ dig example.com ; <<>> DiG 9.9.4-RedHat-...
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1answer
88 views

Add new column to the existing one PowerShell

I have list of the servers, for them I'm used commands Resolve -DnsName, this command has different parameters and to receive all the data that I need (NS, MX, CNAME, A) records, I need to make ...
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2answers
378 views

Does the DNS response order matter in nslookup? [closed]

I've implemented a DNS relay program on Windows. I got 3 DNS query every nslookup command, PTR, A and AAAA. I reply the type=A query first, and reply PTR/AAAA query few microseconds later. But I got ...
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1answer
52 views

can ping website but not enter it

I currently have two server {A;B}. A is hosting a IIS webpage, and B is trying to access it. I am able to access the page within server A (No problem since it is hosted there).. I have altered the ...
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1answer
3k views

Server2016 - nslookup - Default Server

i have only a question about nslookup and Default Server.I have two primary zones on my server: 1. pedf.com 2. test.cz When I start command NSLOOKUP, I see that the Default Server: server.test.cz .....
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1answer
204 views

nameservers reported by whois cannot be found by nslookup

The nameservers of my domain are listed correctly on the whois entry: whois destiglobal.com | grep NS gives the following result: Name Server: HEATHER.NS.CLOUDFLARE.COM Name Server: OWEN.NS....
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Issue with nslookup on virtual machine

I have a Unitrends backup virtual machine running as a virtual machine. I also have a Windows Server running as a virtual machine. I can ping anything on the network from the Windows virtual machine. ...
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1answer
263 views

Dns nx domain in cmd but page loads in browser [closed]

When running nslookup google.com in cmd on my corporate laptop I get nxdomain but how come does the page open then in my web browser? Can anyone please explain? Thank you.
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2answers
2k views

NSLookup Requires “.” in all queries

I am not sure what happened but after reinstalling Windows DNS (server 2012 r2), when I do an nslookup and enter any domain it appends my domain to the end. For example: I enter "microsoft.com" and ...
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2answers
1k views

How do I figure out what's wrong with my DNS record?

My network admins have created a DNS record for thedigitalteacher.com which should include an A record for the domain root pointing to 5.10.124.142, which is indeed the response I get if I use our ...
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1answer
5k views

How does “nslookup -ls” work?

I've been going through the 4th Edition (2001, yes, very old) of the O'Reilly "DNS and Bind" book, and it keeps talking about nslookup, which seems to be relatively hard to get one's hands on in this ...
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1answer
352 views

Server switch: Check DNS TTL values

Can somebody let me know if from the below results from using dig https://toolbox.googleapps.com/apps/dig/#ANY/ What is the correct TTL value? as I see 2 different ones: id 10958 opcode QUERY rcode ...
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1answer
2k views

server can't find 2.0.9.10.in-addr.arpa: NXDOMAIN

I have set up a VPC peering between two different project's VPC on GCP and it works fine when i ping my vm-instance and i'm also able to ssh to my instance with private ips. However, if I query it ...
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2answers
2k views

Different hostname to ip resolving results (nslookup)

Good day, everyone. Let's say I have a following setup: Windows 7 as host machine, DNS 192.168.0.100, 8.8.8.8, 8.8.4.4 Ubuntu 16.04 as guest machine on VirtualBox, DNS 192.168.0.100 (host?) ...
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1answer
3k views

Route53 subdomain not resolved with nslookup

My problem I am trying to build a personal CDN to share static file with my contacts. The design includes an S3 bucket, a CloudFront distribution and a subdomain registered via Route53, all ...
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0answers
518 views

Windows 2012 R2 DNS SERVFAIL on linux / mac clients

SERVFAIL is causing issues with some of our applications on linux/macs. I presume this is Windows DNS causing some problems with our linux/mac clients? Then again Windows clients are able to do ...
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3answers
37k views

Find out which DNS server answered your query

I have a seemingly simple question but couldn't find the answer to precisely that question after some search: I know that, if I want to look up the IP address of some domain name, I type, for example: ...
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2answers
9k views

How can I verify Windows DNS forwarders are working?

I thought I knew how to do this, but I guess not. Even the d2 debugging in nslookup doesn't show the actual forwarder being queried. So...let's say I set up DNS forwarders in a Windows DNS server ...
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2answers
2k views

What an nslookup command return if multiple sites are assigned to the same IP

I read in a book that nslookup command is used to find the IP address from a domain name and vice-versa. And domain name are just the names given to the IP Addresses as it is easy to remember names ...
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1answer
695 views

How to find internal DNS records that are pointing to an IP

Ive got a number of internal DNS records that have been setup to point to a test web server. Its been a while since they were setup and I want to see whats pointing to a particular server. So I have ...
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1answer
4k views

nslookup returns 192.168.1.1 for www.google.com

I have a machine with 2 network interfaces on it eth0 and eth1. I want to use interface eth0 for internet and eth1 for my intranet communication which is connected to a internal router. The internet ...
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1answer
243 views

nslookup returns different IP than $_SERVER['SERVER_ADDR']

Without knowing much about system administration, here is in short what I noticed: running nslookup the-site.com returns some IP but running $_SERVER['SERVER_ADDR'] on that site returned different IP. ...
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1answer
616 views

Garbage DNS record

nslookup returns 2 IP addresses for one of the clients in my network: Server: dc.mynet.local Address: 192.168.43.1 Name: fileserver.mynet.local Addresses: 192.168.43.2 192.168.45.2 ...

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