ns.trifle.net has no CNAME records.
Question and response
Question
dig ns.trifle.net. NS
Answer
The response has no answer records.
Authority
trifle.net. 1300 SOA ns.apex.dp.ua. hostmaster.trifle.net. 2020083633 36000 1800 1209600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0