.Com domain listing non-gtld name servers

Barry Margolin barmar at genuity.net
Thu Jul 19 15:00:21 UTC 2001


In article <9j5rn3$lsj at pub3.rc.vix.com>, LRod <lrodriguez21 at yahoo.com> wrote:
>I've contacted some of the owners of the domains to clear the
>problems, but to no avail.

What domains?

>Isn't it normal to see only NS at the root of the COM domain,
>a.gtld-servers.net thru m.gtld-servers.net? My problem is that it's
>caching MX and A records at the root of COM and not caching the
>queries at the sub-domain level, like under chrysler.com. It appears
>to be some sort of DNS cache pollution or spoofing. Look forward to
>your reponse.

The GTLD servers should only have NS records and some A records (when glue
is required).  They should never have MX records.  I haven't checked, but
maybe some of them have recursion enabled, which would allow them to cache
other stuff.

-- 
Barry Margolin, barmar at genuity.net
Genuity, Burlington, MA
*** DON'T SEND TECHNICAL QUESTIONS DIRECTLY TO ME, post them to newsgroups.
Please DON'T copy followups to me -- I'll assume it wasn't posted to the group.


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