Question on 0.0.0.0.in-addr.arpa queries

[Mark Andrews]

> Hi All,
> 
> I see the following from many customer devices when snooping DNS queries:
> 
> a.client.net -> a.dnsserver.com DNS C 0.0.0.0.in-addr.arpa. Internet PTR ?
> a.dnsserver.com -> a.client.net DNS R  Error: 3(Name Error)
> a.client.net -> a.dnsserver.com DNS C 0.0.0.0.in-addr.arpa. Internet PTR ?
> a.dnsserver.com -> a.client.net DNS R  Error: 3(Name Error)
> a.client.net -> a.dnsserver.com DNS C 0.0.0.0.in-addr.arpa. Internet PTR ?
> a.dnsserver.com -> a.client.net DNS R  Error: 3(Name Error)
> a.client.net -> a.dnsserver.com DNS C 0.0.0.0.in-addr.arpa. Internet PTR ?
> a.dnsserver.com -> a.client.net DNS R  Error: 3(Name Error)
> 
> Thoughts?
> I am seeing this on Solaris with Bind9.4.1-P1
> 
> Thank you -- Chris

	Search for draft-ietf-dnsop-default-local-zones.

	You just have a client that is not treating 0.0.0.0 as special
	when doing reverse lookups.

	Mark
-- 
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark_Andrews at isc.org