dns01.dipcon.com has no MX records.
Question and response
Question
dig dns01.dipcon.com. MX
Answer
The response has no answer records.
Authority
dipcon.com. 3600 SOA ns1.p201.dns.oraclecloud.net. registry.ports.net. 2024060801 3600 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0