mail.seohost.cloud has no MX records.
Question and response
Question
dig mail.seohost.cloud. MX
Answer
The response has no answer records.
Authority
seohost.cloud. 1000 SOA ns1.seohost.pl. hostmaster.seohost.cloud. 2026010503 1000 3600 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0