ns.adams.net has no MX records.
Question and response
Question
dig ns.adams.net. MX
Answer
The response has no answer records.
Authority
adams.net. 3600 SOA ns.adams.net. noc.adamstel.com. 2025112101 43200 900 1209600 10800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0