dogbert.icss.net has no MX records.
Question and response
Question
dig dogbert.icss.net. MX
Answer
The response has no answer records.
Authority
icss.net. 900 SOA ns.htc.net. postmaster.htc.net. 2024013004 1800 900 1209600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0