bifroest.illunis.me has no MX records.
Question and response
Question
dig bifroest.illunis.me. MX
Answer
The response has no answer records.
Authority
illunis.me. 60 SOA root-dns.netcup.net. dnsadmin.netcup.net. 2026020416 28800 7200 1209600 60
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0