wg.casjayvpn.cc has no MX records.
Question and response
Question
dig wg.casjayvpn.cc. MX
Answer
The response has no answer records.
Authority
casjayvpn.cc. 38400 SOA dns.casjayvpn.cc. dns-admin.casjayvpn.cc. 2026010306 10800 3600 1209600 38400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0