Whence loopback A-RR's in zonefiles?

[Doug Barton]

Rick Crelia wrote:
> 
> Oh gods of BIND,
> 
> What is the technical reason behind having to include loopback entries
> in BIND zonefiles?

	While doing research for the FAQ, I reread RFC 1537 that has a good
discussion of this.
http://www.cis.ohio-state.edu/cgi-bin/rfc/rfc1537.html I have
subsequently started adding the following to my named.conf's:

zone "localhost"        { type master; file "master/rfc1537.db"; };
zone "0.in-addr.arpa"   { type master; file "master/rfc1537.db"; };
zone "127.in-addr.arpa" { type master; file "master/rfc1537.db"; };
zone "255.in-addr.arpa" { type master; file "master/rfc1537.db"; };

$ more rfc1537.db 

$TTL 1h
@ SOA localhost. hostmaster.yahoo-inc.com. (
        42 1d 12h 1w 10m )
        ; Serial, Refresh, Retry, Expire, Neg. cache TTL

        NS      localhost.

        A       127.0.0.1

1.0.0   PTR     localhost.


Just a thought....

Doug
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