Simple reverse delegation

Barry Margolin barmar at genuity.net
Wed Jan 2 23:27:05 UTC 2002


In article <a1045q$39g at pub3.rc.vix.com>,
baywood  <baywood at nopambigfoot.com> wrote:
>
>On Sat, 29 Dec 2001 03:35:12 -0800, Thomas Seyrat wrote:
>>   Even if this is an RFC, some ISPs don't really like this technique,
>>   especially when it comes to delegate PTRs for small networks.
>
>I'd be curious as to why. I got the impression NS delegation was 
>pretty typical but then I haven't seen to many reverse zones. I thought
>the purpose of the single, container zone, NS delegation (rfc2317) was
>for the benefit of the delegated (single zone file) and not the ISP.

Consumer ISPs generally don't want to have to customize DNS for individual
customers.  It's much easier for them to have a script or $GENERATE command
that fills in the entire reverse DNS with generic hostnames.

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