node-17ub.pool-182-53.dynamic.nt-isp.net has no CNAME records.
Question and response
Question
dig node-17ub.pool-182-53.dynamic.nt-isp.net. NS
Answer
The response has no answer records.
Authority
dynamic.nt-isp.net. 10721 SOA ns3.totbb.net. root.ns3.totbb.net. 2025022802 28800 7200 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0