DNS debate

[Barry Margolin]

In article <9m1557$8ql at pub3.rc.vix.com>,
Will Yardley  <william+dns at hq.newdream.net> wrote:
>
>Barry Margolin wrote:
>> In article <9m0ir7$5hc at pub3.rc.vix.com>, JT <VGPQKSRSKVIS at spammotel.com> wrote:
>
>> >Nope, if I understand the question right, he's wrong and his friends
>> >are right.
>> >
>> >The IP addresses of the authoratative nameservers are carried along
>> >with the domain registration. The registrar who handles your domain
>> >will tell the root nameservers the names AND IP ADDRESSES of your
>> >authoratative nameservers. Thus, if you want to change the IP address
>> >of one of your nameservers, change it at your registrar, not with
>> >Network Solutions.
>> 
>> But what if two different registrars have host records for the same
>> nameserver, but they have different IPs?  Only one glue record will be
>> installed on the GTLD servers -- do you know how it decides which?
>
>my understanding is that the root servers get the host record from the
>registrar, and that even if the nameserver has the totally wrong IP with
>a second registrar the domain will work.  

What do you mean by "the registrar"?  If there are two registrars with host
entries for the same name, which one is *the* registrar?

Do you mean the registrar that registered the domain that the hostname is
in?

-- 
Barry Margolin, barmar at genuity.net
Genuity, Woburn, MA
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