REVERSE DNS Practices.

John Levine johnl at
Sat Mar 21 10:32:30 UTC 2009

> I want to ask some folks out there that maintain reverse DNS queries
>of their respective IP blocks. I want to know if there is a need for
>me to contact my upstream provider. I am in charge of 2 /24's under
>LACNIC. I've already registered my DNS servers on LACNIC. but for some
>weird reason it's not owning reverse resolves. any tips would be
>gladly appreciated.

The RIRs don't maintain rDNS for you.  You'll have to trace the
delegations downward from, find out who's handling your
/24's, and contact them to get them to delegate your chunks to you.


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