I also tried to run this command from the server itself and it's failing.
Code:
[root@ispconfig3 ~]# dig @10.0.0.7 mydomain.com axfr
; <<>> DiG 9.5.1-P2-RedHat-9.5.1-2.P2.fc10 <<>> @10.0.0.7 mydomain.com axfr
; (1 server found)
;; global options: printcmd
; Transfer failed.