ns2.gms.net.id has no MX records.
Question and response
Question
dig ns2.gms.net.id. MX
Answer
The response has no answer records.
Authority
gms.net.id. 3600 SOA ns1.gms.net.id. support.gms.net.id. 2026021602 7200 1800 1209600 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0