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I've discovered that my reverse DNS is not working for my mail server's
Reverse DNS
From: Larry Scott Hastings
Date: Friday, February 11, 2005
Time: 1:52:38 pm
IP (or any other IP address, for that matter). [I'm looking forward to
pulling out my O'Reilly BIND book when I get home. But in the
meantime...]
Right now, QuickDNS is generating a reverse zone automatically for me.
From within QuickDNS, everything looks OK to me. Now, I understand (to
some degree) that reverse dns is usually delegated to one's ISP. BUT,
shouldn't my reverse zone work, if I am querying the DNS server
directly/explicitly from within the same local network?
I'd like to make sure I have things set up properly in QuickDNS before
I call my ISP for help.
Here's the dirt...
In QuickDNS 4, within the zone "208.253.216.in-addr.arpa." I have the
line:
4.208.253.216.in-addr.arpa. IN PTR mail.hastings.com. ; Automatically
generated by QuickDNS
From my laptop I query my local dns server:
dig 4.208.253.216.in-addr.arpa @dns.hastings.com
And in response I get "ANSWER: 0":
; <<>> DiG 9.2.2 <<>> 4.208.253.216.in-addr.arpa @dns.hastings.com
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 29366
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
;; QUESTION SECTION:
;4.208.253.216.in-addr.arpa. IN A
;; AUTHORITY SECTION:
208.253.216.in-addr.arpa. 86400 IN SOA dns.hastings.com.
scott.hastings.com. 2005020902 28800 7200 604800 86400
;; Query time: 76 msec
;; SERVER: 216.253.208.2#53(dns.hastings.com)
;; WHEN: Fri Feb 11 15:43:16 2005
;; MSG SIZE rcvd: 102
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