ns1.cloudsebek.com has no CNAME records.
Question and response
Question
dig ns1.cloudsebek.com. NS
Answer
The response has no answer records.
Authority
cloudsebek.com. 559 SOA ns1.cloudsebek.com. hostmaster.cloudsebek.com. 2026021305 10800 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0