How do people do their own RDNS without a full class C ?

[Mark_Andrews at isc.org]

> 
> 
> I have a rack of computers collocated at a datacenter.  I do perform my
> own DNS on my own DNS server, BUT, I do not have an entire class C of
> addresses - I only have 64 addresses.
> 
> Therefore, my collocation provider says that I cannot do my own reverse
> DNS.  I cn do my own forward DNS, of course (which I already am) but since
> multiple people are using the class C block, the RDSN requests need to go
> to the collocation providers name servers.

	Your provider is wrong.  You can delegate to the individual
	node or use the techniques described in RFC 2317: Classless
	IN-ADDR.ARPA delegation.

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