dns3.as2116.net has no CNAME records.
Question and response
Question
dig dns3.as2116.net. NS
Answer
The response has no answer records.
Authority
as2116.net. 600 SOA dns1.as2116.net. hostmaster.as2116.net. 2026030503 28800 3600 2419200 600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0