question regarding "glue domains"
john at yourcompsolution.com
Sat Feb 4 03:19:03 UTC 2006
So with whom should I request a glue domain?
From: bind-users-bounce at isc.org [mailto:bind-users-bounce at isc.org] On
Behalf Of Barry Margolin
Sent: Friday, February 03, 2006 10:04 PM
To: comp-protocols-dns-bind at isc.org
Subject: Re: question regarding "glue domains"
In article <ds0rfa$2a8a$1 at sf1.isc.org>,
"John MacKenzie" <john at yourcompsolution.com> wrote:
> Hi there,
> I have my domains registered through 1and1 , and curently have my dns
> hosted with valueweb.
> I had valueweb create a record for ns1.mydomain about 30 hours ago,
> and i can ping it from my home machine.
> however when I try to change my primary to ns1.mydomain with 1and1, I
> am told :
> Subdomains of the original domainname as name servers for the original
> domainname need a fixed IP! Please refer to the FAQ (keyword: Glue
> Surely this is what i accomplished by having valueweb create th entry
> on their primary?
No, the glue record has to be in the PARENT zone. What if valueweb's
server were down, how would someone get the address of ns1.mydomain?
> Is it possibly due to the address not propagating fully yet?
DNS information doesn't really "propagate". It just sits on
authoritative servers, waiting for other servers to look it up when they
> also, I read somewhere that the reverse ip lookup MUST say
> is this true?
No. DNS requires that forward_lookup(reverse_lookup(address) ==
address, but doesn't require that reverse_lookup(forward_lookup(name))
Barry Margolin, barmar at alum.mit.edu
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