dns4.feear.se has no CNAME records.
Question and response
Question
dig dns4.feear.se. NS
Answer
The response has no answer records.
Authority
feear.se. 1716 SOA dolly.ns.cloudflare.com. dns.cloudflare.com. 2396987461 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0