server-relay-1.tetra.in has no MX records.
Question and response
Question
dig server-relay-1.tetra.in. MX
Answer
The response has no answer records.
Authority
tetra.in. 600 SOA ns37.domaincontrol.com. dns.jomax.net. 2025111601 28800 7200 604800 600
Additional
. 0 OPT ; payload 1280, xrcode 0, version 0, flags 0