wrong mx record returned from my BIND9

[M.W. Chang]

hmm... when I `dig mydomain.com mx`, I got this answer:

;; ANSWER SECTION:
donkeyware.org.         86400   IN      MX      10 
smtp.mydomain.org.mydomain.org.

The reply should be "smtp.mydomain.org.". Which zone file should I fix?

-- 
   .~.    http://toylet.homeip.net
  / v \   Linux 2.4.22-xfs
/( _ )\  12:10pm up 1 day 2:37
   ^ ^    load average: 1.00 1.02 1.01