On Tue, July 8, 2008 4:50 pm, Scott Silva wrote: > This is a server that seems to resolve ok. Done from my home server. > > ; <<>> DiG 9.2.4 <<>> +trace -x 63.110.242.66 > >This one doesn't, it seems that the server won't answer the request. > > ; <<>> DiG 9.2.4 <<>> +trace -x 208.252.226.196 > I can get the A record fine, but it won't answer the PTR request. I'm > thinking > that bind just doesn't like the reverse zone file, but it doesn't toss up > any > errors about it. # dig @mail.fontanawater.com -x 208.252.226.196 ; <<>> DiG 9.3.4-P1 <<>> @mail.fontanawater.com -x 208.252.226.196 ; (1 server found) ;; global options: printcmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 8896 ;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 2, ADDITIONAL: 2 ;; QUESTION SECTION: ;196.226.252.208.in-addr.arpa. IN PTR ;; ANSWER SECTION: 196.226.252.208.in-addr.arpa. 18751 IN CNAME 196.192.226.252.208.in-addr.arpa. 196.192.226.252.208.in-addr.arpa. 43200 IN PTR mail.fontanawater.com. ;; AUTHORITY SECTION: 192.226.252.208.in-addr.arpa. 43200 IN NS mail.fontanawater.com. 192.226.252.208.in-addr.arpa. 43200 IN NS mail.sgvwater.com. ;; ADDITIONAL SECTION: mail.sgvwater.com. 43200 IN A 63.110.242.66 mail.fontanawater.com. 43200 IN A 208.252.226.196 ;; Query time: 165 msec ;; SERVER: 208.252.226.196#53(208.252.226.196) ;; WHEN: Tue Jul 8 20:47:45 2008 ;; MSG SIZE rcvd: 177 I would look into your NS records on the effected server and also your PTR zone file for errors. Brian.