Philippe Troin <[EMAIL PROTECTED]> writes: > On 07 Jul 1997 13:23:32 PDT Rob Browning ([EMAIL PROTECTED]) wrote: > > > I was trying to set up bind for a small (half class C) subnet, and > > bind seemed to refuse to do the reverse lookups for the subnet unless > > I set it up to handle the entire C subnet. Is there some kind of > > masking trick I'm not aware of, or is there somewhere I should RTFM? > > I didn't see anything in the docs or a book I had... > > Reverse maps need to include at least a full class C subnet, yes, > unfortunately. > It's because reverse lookups work by doing recursive lookups in the > in-addr.arpa "special" domain. > > Reverse looking up 127.3.4.5 will end up lookup up 5.4.3.127.in-addr.arpa. > The minimum reverse table you need to have is 4.3.127.in-addr.arpa.
There's a draft-RFC for setting up classless DNS at ftp://ftp.nordu.net/internet-drafts/draft-ietf-cidrd-classless-inaddr-02.txt This draft expired 970525, so there might be a more recent version, og perhaps a full rfc available by now. -- Vebjorn Forsmo [EMAIL PROTECTED] [EMAIL PROTECTED] [EMAIL PROTECTED] 80 13 6B 4B 7C 83 B7 DC 5C 9C A8 AE C0 AD 22 F4 2048/00952325 1995/05/13 To err is human, to forgive is Not Company Policy. -- TO UNSUBSCRIBE FROM THIS MAILING LIST: e-mail the word "unsubscribe" to [EMAIL PROTECTED] . Trouble? e-mail to [EMAIL PROTECTED] .
