Reverse DNS with delegation

[Stephane Bortzmeyer]

On Fri, Jan 16, 2009 at 12:27:54PM +0100,
 Jérémie Grauer <jeremie.grauer at fimasys.fr> wrote 
 a message of 282 lines which said:

> I'm encountering a very strange behavior with our dns server 

No, it is dig behavior. You never indicate the Resource Record type so
dig picks "A" (IPv4 address).

If you indicate "ANY" or "PTR", it will work. Or just use the -x
option:

% dig -x 94.103.140.4
...
;; QUESTION SECTION:
;4.140.103.94.in-addr.arpa.     IN      PTR

;; ANSWER SECTION:
4.140.103.94.in-addr.arpa. 86400 IN     CNAME   4.0-28.140.103.94.in-addr.arpa.
4.0-28.140.103.94.in-addr.arpa. 86322 IN PTR    athena.fimasys.com.

> All other zones are working just fine... only the reverse is wrong. The  
> version of bind is 9.2.4, running on debian.

BTW, this is extremely old. The version in debian "stable" is 9.3.4
(with various Debian patches).