hermes.uniwa.gr has no MX records.
Question and response
Question
dig hermes.uniwa.gr. MX
Answer
The response has no answer records.
Authority
uniwa.gr. 86400 SOA hermes.teiath.gr. root.mail.teiath.gr. 2026022501 28800 7200 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0