dns.cifo.net.id has no MX records.
Question and response
Question
dig dns.cifo.net.id. MX
Answer
The response has no answer records.
Authority
cifo.net.id. 86400 SOA ns1.cifo.co.id. admin.cifo.co.id. 2021122341 7200 540 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0