ns2.scts.tv has no MX records.
Question and response
Question
dig ns2.scts.tv. MX
Answer
The response has no answer records.
Authority
scts.tv. 600 SOA ns1.scts.tv. admin.scts.tv. 2023011601 3600 900 3600000 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0