180.http4.cloudns.net has no CNAME records.
Question and response
Question
dig 180.http4.cloudns.net. NS
Answer
The response has no answer records.
Authority
cloudns.net. 10705 SOA pns1.cloudns.net. support.cloudns.net. 2026030602 7200 3600 1209600 172800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0