Questions tagged [nameserver]

119 questions
21
votes
8 answers

How to make name server address permanent in /etc/resolv.conf?

I can not retain name server address I set via /etc/resolv.conf. Every time I set the value, the network manager overrides it with default gateway on reboot. How to set it right? I would prefer a way other than changing name server in router.
Ashildr
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18
votes
3 answers

How to be able to resolve multiple domains using /etc/resolv.conf on Linux?

I'm running Ubuntu 12.04 and I'm trying to ping the following systems: system0.oldcompany.com system1.fing.oldcompany.com system2.newcompany.com system3.thing.newcompany.com My resolv.conf # internal dns servers nameserver 1.1.1.151 nameserver…
10
votes
8 answers

How does DNS work when it comes to addresses after slash?

Watching the DNS and SNI of my network adapter in Wireshark, all I see is domain names and sub-domain names, but nothing after the slash, like no mention of example.com/page or twitter.com/mypage So, I'm wondering, how does an app or browser know…
user1737559
8
votes
2 answers

Maximum number of DNS servers in Windows

What is the maximum of nameservers one can enter in Windows? Are there differences in different versions? Linux has a maximum of three, which is set in /usr/include/resolv.h: # define MAXNS 3 /* max # name servers we'll track…
qbi
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7
votes
1 answer

How can I check if a name server supports DNSSEC?

My Advanced Tomato Router uses the local ISP DNS servers. How can I see if those name servers support DNSSEC? Similar to How can I check if a domain uses DNSSEC? but not domain.
Sybil
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6
votes
1 answer

Does "DNS provider" refer to an authoritative DNS server or a DNS resolver?

I'm trying to understand the term "DNS provider" and what exactly it refers to. When someone mentions a "DNS provider," are they typically referring to an Authoritative DNS server or a DNS (recursive) resolver? Or is it a more general term referring…
5
votes
2 answers

TTL when querying for any record with dig

This question comes from this topic. When I do this I get the remaining seconds until the A record expires in the queried nameserver: dig stackexchange.com However, if I do this I get the authorative TTLs values: dig any stackexchange.com So, I…
5
votes
4 answers

What information can an ISP record solely from DNS queries?

I realized recently that my VPN's DNS requests were transmitted to my ISP's DNS server (even though my HTTP and HTTPS requests were properly transmitted via the VPN). I did some research and have a couple of questions about the level of detail that…
4
votes
1 answer

Test new nameservers before switching over DNS host

Switching the host for our name servers. DNS records are set up on both the old nameservers and the new ones. I’d like to test the new ones before switching over our SOA and wondering what are the best ways to test them before committing to them? My…
Meltemi
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4
votes
2 answers

Google Public DNS is not used in trace route

In my PC I am using Google Public DNS as my DNS servers. In Internet protocol (TCP/IP) properties I have set Preferred DNS server to 8.8.4.4 and Alternate DNS server to 8.8.8.8. According to me this DNS server should be used to resolve any request…
4
votes
1 answer

Pointing my domain name to my home PC

I was previously paying for a VPS but have decided to setup a home server instead to save money. I have a static ip address 12.34.56.78 and have registered a domain name mydomain.com. I am running CentOS and have BIND running (I setup a Virtual Host…
jax
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4
votes
3 answers

What does a public nameserver actually do?

I am trying to understand the purpose of public DNS nameservers (public as in not an SOA; like 8.8.8.8). I executed a dig +trace command, and, as far as I can tell, the only time the nameserver is used is when finding The SOA of the root domain ..…
3
votes
2 answers

White Label nameservers running WHM/Cpanel DNS only with hostname alias

UPDATE 2/23/2016 I think my original question was confusing, so I am going to rephrase it: I have my own dedicated nameservers running cPanel DNS Only! I want to know how to give other people vanity nameservers! Our company has its own dedicated…
Neo
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3
votes
1 answer

Can one domain have multiple nameservers?

Can I have 2 sets of name servers for one domain? i.e. If the sub-domain is not found one set of name servers then it checks the next set of name servers?
David
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3
votes
0 answers

Nameserver 127.0.0.53 unable to resolve domain names

I know there is an easy fix to the problem by adding nameserver 8.8.8.8 to /etc/resolve.conf but this is merely a hack and not a proper trouble shoot of the problem that caused the problem. If I am not wrong having the 'default'(or what do you call…
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