registry2.epnic.net has no MX records.
Question and response
Question
dig registry2.epnic.net. MX
Answer
The response has no answer records.
Authority
epnic.net. 300 SOA dns2.epag.net. support.epag.de. 1690796418 10800 3600 604800 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0