ns.fiberstaden.se has no CNAME records.
Question and response
Question
dig ns.fiberstaden.se. NS
Answer
The response has no answer records.
Authority
fiberstaden.se. 900 SOA ns.fiberstaden.se. registry.fiberstaden.se. 2026030500 14800 7200 5184000 900
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0