neptune.camtel.net has no MX records.
Question and response
Question
dig neptune.camtel.net. MX
Answer
The response has no answer records.
Authority
camtel.net. 300 SOA pluto.camtel.net. admin.camtel.net. 2025103002 1800 7200 604800 300
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0