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Questions tagged [dns-lookup]

30 questions
22
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1 answer

Multi-query multiple DNS record types at once

I am currently experimenting a bit with the DNS protocol. I have noticed that I can query both, A- and MX-record of a domain, using two separate DNS packets, each containing one question query. However, when I chain them together within the question…
1' OR 1 --
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17
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3 answers

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: nslookup google.de and get Server: …
Staki42
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9
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1 answer

Nslookup not using hosts file

So I've set public IP on the hosts file for a certain public IP address, but it picks up private ip from nowhere or from DNS. Content of windows hosts file C:\Windows\System32\drivers\etc\Hosts 210.210.210.10 my.domain.com …
ajsdg
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8
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2 answers

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 internal name servers. However, Google's name…
Gareth Boden
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4
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2 answers

Why is nslookup and dig giving me a "Warning: ID mismatch ... got 0" error?

I'm trying to troubleshoot some persistent connectivity issues and I'm frequently getting the following error message when using dig or nslookup. bash$ nslookup > www.google.com ;; Warning: ID mismatch: expected ID 36298, got 0 ;; Warning: ID…
Ralph Callaway
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3
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1 answer

dig succeeds, nslookup fails (with dnsmasq as the server)

I installed dnsmasq on a machine of mine (It's a Kubuntu 12.04 LTS), backed only by /etc/hosts (no connection to the Internet until later). Now, if I dig mymachine, I get 192.168.0.1, but if I try to nslookup mymachine, I get: >> connection timed…
einpoklum
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2
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1 answer

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 to a corporate LAN (example.corp) and has an…
WoJ
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2
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3 answers

Bypass DNS Server lookup by using /etc/hosts when using a dynamic IP address

It is my understanding that the need to query external DNS servers for commonly accessed names can be reduced if those commonly accessed names are present in /etc/hosts. Now, I have a situation where in I have an Embedded Linux box with a dynamic…
xorsi
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2
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1 answer

Do I have to own my domain before attempting to connect to my domain controller?

I am in the process of purchasing a domain, but I do not own it yet. I setup my domain controller as internal.domain.com. The problem I'm running into is in connecting my workstations to my domain. I'm wondering if the reason is because the domain…
michael
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2
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1 answer

Tool for Bulk DNS Lookup with Domain or IP Information

Suggest me a tool for DNS Lookup and it should have following features. Bulk DNS Lookup (Input .txt to Output .txt) Should have Forward and Reverse Lookup Should find Domain or IP information. Ex. Owner of domain or IP. When i googled, I got…
Kumar
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1 answer

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 nslookup for google.com and I got only one record.…
N-Alpr
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2 answers

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?) Ubuntu is connected to Windows's network via…
Groosha
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How to determine which server is the cause?

I have just registered a new domain with Malaysia NIC. The registration system is not fully automatic and I am afraid that someone could have botched something in the setting up. At the same time, my hosting company, 1and1, is also having some…
Old Geezer
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Why do I sometimes (but not always) see "internet address" data for an MX record in output for nslookup queries?

CentOS 5.x I've noticed that sometimes I'll see "internet address" for an MX record in the output of nslookup. This doesn't happen all the time though. For example, let's say that foo.com uses Microsoft for their mail service. In that case,…
Mike B
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Proxy error: DNS lookup failure for

The proxy server received an invalid response from an upstream server. The proxy server could not handle the request GET /. Reason: DNS lookup failure for: www.******.com This is appearing sometimes like every 5 minutes or so. Sometimes the…
Warface
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