[AusNOG] Changing reverse DNS on interface /30s

Shain Singh shain.singh at aapt.com.au
Fri Aug 31 12:03:45 EST 2007

Give me a call and we can fix it.
Shain Singh
Network Engineer
p: 03 8414 5367



From: ausnog-bounces at ausnog.net [mailto:ausnog-bounces at ausnog.net] On Behalf
Of Campbell, Alex
Sent: Friday, 31 August 2007 11:20 a.m.
To: ausnog at ausnog.net
Subject: [AusNOG] Changing reverse DNS on interface /30s

Hi all,
I'm having trouble getting a certain troublesome IP transit provider (let's
refer to them with a pseudonym like, say, AS2764) to set useful reverse DNS
entries on the /30 between our router and their router.  We'd like the
reverse DNS for the address on our interface to be something potentially
helpful like ge-0-0-3.border2.190cit.dtdigital.com.au rather than something
Their engineers claim they can't do this because both of the addresses are
physically on their router (provably untrue) and because doing this would
impact on their ability to account for traffic on those interfaces
(laughably untrue).
What is the standard practice here?  No other providers we've ever worked
with have had any issues with doing this.

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