ns2.adams.net has no CNAME records.
Question and response
Question
dig ns2.adams.net. NS
Answer
The response has no answer records.
Authority
adams.net. 1354 SOA ns.adams.net. noc.adamstel.com. 2025112101 43200 900 1209600 10800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0