Skip to main content

Questions tagged [nslookup]

nslookup is a utility to query DNS name servers

Filter by
Sorted by
Tagged with
0 votes
0 answers
49 views

Rac installation nslookup finds the ip address but fails

I have installed dnsmasq on my linux rac instance. While trying nslookup it finds all the 3 scan ip address but at the end it says **** server can't find ol7-orcl19c-scan: REFUSED.** Given below are ...
Jagan Tirumalai's user avatar
0 votes
1 answer
462 views

Coredns does not return the result properly

I configured new Coredns in kubernetes and exposed it to LoadBalancer of service. Also I added a dns server to my local laptop. This is my new zone. nlabs.hosts nlabs.io:53 { hosts { 10.0....
K.k's user avatar
  • 101
1 vote
2 answers
823 views

Why isn't `nslookup` able to resolve an A record in route53, when I specifically use a nameserver from my hosted zone?

I'm trying to host a static website in s3. I have a domain registered with namecheap, and it is pointing at route53 nameservers. This part seems to be working correctly based on dig: dig getgargoyle....
mike's user avatar
  • 11
1 vote
2 answers
2k views

What is the effect of the '-v' flag to the Windows nslookup command?

I'm trying to debug a problem in which my Windows host resolver will not resolve a particular DNS name (FQDN). I notice that if I call the Windows nslookup command as follows, nslookup x.y.z.cloud (x....
zeelor's user avatar
  • 11
0 votes
1 answer
5k views

Resolve-DnsName resolves hostname of IP, but nslookup fails

There are some IP address that nslookup can't resolve (both on Windows and Linux). Problem: I can find the IP of the hostname, but reverse lookup fails. PS C:\> nslookup.exe somehost2 Server: ...
aviro's user avatar
  • 164
0 votes
3 answers
417 views

Google Public DNS always returning NXDOMAIN for certain SLDs

Problem: Google's Public DNS returns NXDOMAIN for certain SLDs. Proof of problem: dig vpn.example.com @8.8.8.8 ; \<\<\>\> DiG 9.11.5-P4-5.1+deb10u8-Debian \<\<\>\> vpn....
Rogue Pogue's user avatar
0 votes
1 answer
1k views

How does one query the resolver name of a DNS server?

The Shodan search tool, for some DNS servers, shows a Resolver name value for what it finds on UDP port 53. For example, 80.82.117.140 shows Resolver name: server402.xenserve.com and 103.81.27.118 ...
bitinerant's user avatar
0 votes
0 answers
727 views

nslookup responds with NXDOMAIN even if the name is being resolved

I've got the postfix configured to relay all emails to a mail server: $ cat /etc/postfix/main.cf| grep relayhost | grep -v '#' relayhost = smtp.local.lan The problem is that postfix is not able to ...
Krystian's user avatar
0 votes
1 answer
767 views

ISP and Google Public DNS can resolve hostname, but local Windows 10 machine cannot

I recently updated the DNS records for the hostname armatureenergy.com. When I do an nslookup for it with Google Public DNS (8.8.8.8) and my ISP's DNS (206.55.176.101), the name resolves. But when I ...
geckels1's user avatar
  • 111
0 votes
2 answers
633 views

What is the difference between DNS Lookup and DNS Resolution?

I have traversed through many websites, tutorials, documentations or personal blogs; yet, I couldn't find an exact and clear (scientific) definition (or distinction) of these two: DNS Lookup process ...
Giorgi Tsiklauri's user avatar
0 votes
1 answer
56 views

BIND 9 DNS: NS/glue closest delegation used

I have the following example existing delegation: iio.ne.co.uk NS dns1.iio.ne.co.uk, dns1.iio.ne.co.uk HOST 1.2.3.4 If I add a new delegation: soho.iio.ne.co.uk NS sohodns.iio.co.uk, sohodns.iio.ne.co....
staro's user avatar
  • 1
0 votes
0 answers
41 views

How does a client pick a NS server out of multiple possibilities?

When a client attempts a DNS resolution, let's say for google.com, often multiple NS servers are returned, like: ns2.google.com. ns1.google.com. ns3.google.com. ns4.google.com. How does a client pick ...
silent's user avatar
  • 432
0 votes
0 answers
773 views

Nslookup suddenly won't resolve against Cloudflare

As of Friday afternoon Australian time, I'm getting failures using nslookup with 1.1.1.1. It works fine with 8.8.8.8, and Powershell Resolve-DnsName works fine. nslookup without specifying a server ...
Geoff Vass's user avatar
-1 votes
1 answer
1k views

Nslookup server: unknown between VLANs/networks?

I have several VLANs/networks - eg.: 10.0.10.0/24 : Servers 10.0.20.0/24 : Pcs My DNS server is called "DC1.mydomain.local" (IP 10.0.10.11) and I have a PBX server called SVPBX (IP 10.0.10....
MojoDK's user avatar
  • 529
0 votes
1 answer
2k views

DNS client vs Nslookup - doing a manual test of the DNS client for SRV records

There are various references (such as DNS can't resolve hostname; nslookup can or https://web.archive.org/web/20160525082756/http://homepage.ntlworld.com/jonathan.deboynepollard/FGA/nslookup-flaws....
Badger's user avatar
  • 41
2 votes
1 answer
416 views

AWS Route 53: Transferred domain to new account - Now getting SERVFAIL

I recently transferred a domain buymy.coffee to a new account. When I did this, I deleted the hosted zone in the old account and recreated it in the new account. I thought I got this right, but when I ...
Nat's user avatar
  • 23
0 votes
2 answers
491 views

Fedora Server NSlookup error when running DNS

So I have 2 VMs (Fedora 24 Server and its Client). I am trying to run DNS in Server and get output in Client. The DNS of my client is IP of Server, All of them are on same Class of network with is 192....
Patel's user avatar
  • 1
0 votes
1 answer
145 views

If I want to use dig/nslookup to query about machines in a VLAN, how can I find which name server to use?

If I want to use dig/nslookup to query about machines in e.g., 38.102.145.0/24, how can I find the name server to use that could resolve machines in that VLAN?
boardrider's user avatar
  • 1,019
0 votes
1 answer
121 views

Unusual traffic Issue in AWS

I've observed some unusual traffic from an IP address from Nov 9 through Dec 10 in our application logs. We're not seeing the ip address associated with any of our instances currently. This IP was ...
samtech 2021's user avatar
0 votes
1 answer
917 views

Can't ping non-domain joined client by name from subnet but Name and IP appeared in addresslease on dns server

is it posible to resolve the name of a non-domain joined device by ping? the dns server has registered the device. name and Ip are registered in addresslease. Ok, this is what I have tried: If I ping ...
Nastermind's user avatar
1 vote
0 answers
656 views

nslookup not retrieving authoritative answer

I'm trying to get an authoritative answer using nslookup but it's not working $nslookup animeflv.net matt.ns.cloudflare.com Server: matt.ns.cloudflare.com Address: 108.162.193.131#53 Non-...
Luna's user avatar
  • 11
0 votes
0 answers
465 views

Dig only able to do zone transfers when +nocookie flag is enabled

I am learning about DNS enumeration and I am working on a lab exercise at the moment. To do a zone transfer, I entered the following: dig @10.83.185.5 example.com AXFR the result is ;; global options:...
Teererai Marange's user avatar
0 votes
2 answers
320 views

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
Evant Prasetyo's user avatar
0 votes
0 answers
772 views

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....
Arthas's user avatar
  • 1
1 vote
1 answer
3k 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 ...
Sparky26's user avatar
0 votes
1 answer
605 views

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 ...
Insights.AI's user avatar
0 votes
0 answers
37 views

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 ...
user2443447's user avatar
2 votes
3 answers
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>...
Darrell Morris's user avatar
0 votes
1 answer
493 views

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 ...
user1211286's user avatar
1 vote
1 answer
956 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. ...
11lll's user avatar
  • 41
8 votes
1 answer
12k views

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 <<&...
Jaap Joris Vens's user avatar
0 votes
1 answer
646 views

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 ...
Kohányi Róbert's user avatar
0 votes
1 answer
903 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 ...
JaySon's user avatar
  • 111
0 votes
0 answers
432 views

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 ...
TheKangaroo's user avatar
-2 votes
2 answers
4k 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 ...
AFetter's user avatar
  • 105
0 votes
1 answer
41 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 ...
Jayadevan's user avatar
  • 148
2 votes
1 answer
2k 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 ...
kira1kira's user avatar
1 vote
0 answers
11k views

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 ...
Zippy1970's user avatar
  • 289
1 vote
1 answer
257 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 ...
MikiBelavista's user avatar
0 votes
1 answer
88 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 ...
Lucas Rene Gileno's user avatar
2 votes
2 answers
2k 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 ...
profy's user avatar
  • 1,156
0 votes
1 answer
48 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 ...
abcq2's user avatar
  • 11
1 vote
1 answer
6k 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 ...
N-Alpr's user avatar
  • 113
-2 votes
2 answers
3k 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 ...
ak07_'s user avatar
  • 1
3 votes
0 answers
464 views

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: ...
Areso's user avatar
  • 41
1 vote
1 answer
145 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....
zylstra's user avatar
  • 153
2 votes
1 answer
914 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 ...
WoJ's user avatar
  • 3,687
0 votes
2 answers
829 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-...
Watki02's user avatar
  • 627
1 vote
1 answer
434 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 ...
Oleg Savchuk's user avatar
0 votes
2 answers
612 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 ...
AlphaGoMK's user avatar
  • 103

1
2 3 4 5