ns2.regtime.net has no MX records.
Question and response
Question
dig ns2.regtime.net. MX
Answer
The response has no answer records.
Authority
regtime.net. 3600 SOA ns1.nameself.com. support.regtime.net. 2025102234 14400 600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0