> On Sat, Jan 24, 2009 at 9:21 PM, Matus UHLAR - fantomas > <uh...@fantomas.sk> wrote: > > > > if metis.local is a CNAME, the PTR shouldn't point to it.
On 25.01.09 10:14, John Bond wrote: > could you please explain this. Although it's good to remove irelevant part of the text you are replying to, this time you removed the relevant part. I'm pasting below... > When i tried this host did not resolve > the cname. i.e a host 1.1.1.1 returned metis.local. it did not know > to resolve metis.local as bob.... the host 1.1.1.1 returned that 1.1.1.1.in-addr.arpa is a CNAME to metis.local. It's not reverse record, the PTR is, and metis.local has no PTR. Even if it did, the PTR should be on 1.1.1.1.in-addr.arpa, you are putting one more unnecessary step into resolution. [pasted relevant text] > > bob-www-sol-l01 IN A 1.1.1.1 > > metis IN CNAME bob-www-sol-l01 > > > > zone for 1.1.1 > > > > 1 IN CNAME metis.local. On 23.01.09 23:06, Barry Margolin wrote: > Why don't you just use normal reverse DNS: > > zone for 1.1.1.in-addr.arpa > > 1 IN PTR metis.local. > IN PTR bob-www-sol-l01.local. accorging to the above, metis.local is a CNAME, so the reverse should point to bob-www-sol-l01.local. - pointing it to metis.local. would be incorrect. And although two or PTRs usually make no problems, it's recommended not to do that, because some SWs jsut can't handle that (even if they would all be correct). So, keep only PTR to bob-www-sol-l01.local. -- Matus UHLAR - fantomas, uh...@fantomas.sk ; http://www.fantomas.sk/ Warning: I wish NOT to receive e-mail advertising to this address. Varovanie: na tuto adresu chcem NEDOSTAVAT akukolvek reklamnu postu. BSE = Mad Cow Desease ... BSA = Mad Software Producents Desease _______________________________________________ bind-users mailing list bind-users@lists.isc.org https://lists.isc.org/mailman/listinfo/bind-users