8
votes
1answer
378 views

NS records chicken and egg: NS in the domain it's serving [duplicate]

I've dealt with BIND for years and this has always kind of bugged me. $ dig google.com ns ;; QUESTION SECTION: ;google.com. IN NS ;; ANSWER SECTION: google.com. 87046 IN NS ...
0
votes
1answer
2k views

How does BIND work? [duplicate]

Possible Duplicate: What is a glue record? I just can't understand how a server running BIND at the same place(or IP) that my website is running is going to provide the DNS records to ...
0
votes
2answers
227 views

If I register a domain name as a name server what do I set it's name server to? [duplicate]

Possible Duplicate: What is a glue record? Do I add my ISP's name servers for the domain or itself as the name server? e.g. say I have the domain www.shoes.com and a server setup for DNS ...
1
vote
1answer
103 views

How is the IP of a nameserver located in it's own domain resolved? [duplicate]

I understand basics of how DNS works. My ISP finds out recursively, that my domain xyz.com is assigned with two nameservers: ns1.xyzprivatens.com ns2.xyzprivatens.com Then it asks one of those two ...
0
votes
1answer
108 views

A little confused on Creating Your own NameServer and DNS [duplicate]

Possible Duplicate: What is a glue record? My registrar refused to provide DNS service anymore. It only allows me to add my own NameServers like: ns1.myexample.com, ns2.myexample.com I ...
0
votes
1answer
115 views

Where does dig additional section nameserver information come from? [duplicate]

I have a client whose website has intermittent issues, which I believe are due to DNS lookup. When this happens and they do a ping, the host cannot be resolved. Therefore, I ran: dig ...
0
votes
0answers
59 views

How does a domain host itself authoritatively? [duplicate]

Possible Duplicate: What is a glue record? Suppose that I want to have custom nameservers that authoritatively host mydomain.com: ns1.mydomain.com and ns2.mydomain.com. They would need to ...
3
votes
0answers
38 views

DNS resolves self domain [duplicate]

I have a couple of domains (abc.com, def.com, ... , xyz.com) and I have a dns server (ns1.example.com, ns2.example.com). All my domains use ns1 and ns2 dot example dot com as their name servers. ...
0
votes
3answers
39 views

DNS - how does it resolve the name servers itself? [duplicate]

Domain name: abc.com Name Server: ns1.abc.com and ns2.abc.com I am running a DNS server and hosting the zone (abc.com) on-premise. When a client wants to resolve *.abc.com, it will query ns1.abc.com ...
1
vote
0answers
26 views

How are Authoritative Name Servers' IPs resolved [duplicate]

I realized I don't understand a pretty basic thing about DNS. So, here's the flow Assuming nothing is cached, When I open stackoverflow.com, the request goes to the root, then to the .com TLD ...
0
votes
0answers
14 views

How does my domain reseller know my server ip? [duplicate]

On my domain resellers DNS page I can specify my own addresses for own nameservers. What should be the value of this fields? I have seen examples where the value was ns1.domain.tld but no other ...
0
votes
0answers
13 views

Nameserver IP taken from host zone or registrar? [duplicate]

My cPanel server is set up like this: Hostname: server.domain.com Primary Nameserver: ns1.domain.com => 1.1.1.1 Secondary Nameserver: ns1.domain.com => 2.2.2.2 The domain ...
17
votes
2answers
3k views

Why don't NS records contain IP addresses?

The point of an NS record is to tell client which name server will know for sure the actual IP address for a domain name. So for instance, the following query tells you that if you want to get an ...
15
votes
4answers
5k views

How are IP addresses actually assigned?

I'm having a hard time understanding how a governing body assigns IP addresses, companies use BGP to advertise those IPs, and how the internet works. Then, where the hell does DNS come in? Can ...
6
votes
7answers
9k views

DNS A vs NS record

I'm trying to understand DNS a bit better, but I still don't get A and NS records completely. As far as I understood, the A record tells which IP-address belongs to a (sub) domain, so far it was ...

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