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From: Caleb Tennis <caleb.tennis@gmail.com> Date: Tue, 25 Jan 2011 09:30:51 -0500 To: North American Network Operators Group <nanog@nanog.org> Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org We have a /24 from one of our upstream providers that we handoff to a = customer. The /24 has been SWIPd to us, and we have nameservers setup = with ARIN against that record. Twice now this information has just "disappeared". That is, if do = reverse DNS lookups, they returns nothing, whereas they were just = working fine earlier. If you do an NS lookup on the block, it returns = nothing. The /24 blocks immediately surrounding us continue to work = just fine. If we do a lookup directly against our nameserver, it works = just fine. It's like the nameserver information against that reverse DNS is just = magically gone. The ARIN record looks good, nothing has changed. Last time, our upstream = resubmitted the info so it would repopulate, and it started working = again soon there after. I admit to not being the smartest one with how = these records work: is the problem with the upstream, or ARIN's = database, or is there not enough information to tell? Thanks, Caleb=
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