ns87.adriahost.com has no MX records.
Question and response
Question
dig ns87.adriahost.com. MX
Answer
The response has no answer records.
Authority
adriahost.com. 86400 SOA ns87.adriahost.com. adriahostingdcs.gmail.com. 2026030702 3600 1800 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0