sns.speednet.bg has no MX records.
Question and response
Question
dig sns.speednet.bg. MX
Answer
The response has no answer records.
Authority
speednet.bg. 300 SOA pns.speednet.bg. cpanel.speednet.bg. 2026020800 86400 7200 3600000 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0