grpmail.jp MX records

MX Mail server
1h
grp.grpmail.jp 30 Primary
mx2.key-p.com 50

Question and response

Question

dig grpmail.jp. MX

Answer

grpmail.jp. 3600 MX 50 mx2.key-p.com. grpmail.jp. 3600 MX 30 grp.grpmail.jp.

Authority

The response has no authority records.

Additional

. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0