fi1.dnsnode.net has no CNAME records.
Question and response
Question
dig fi1.dnsnode.net. NS
Answer
The response has no answer records.
Authority
dnsnode.net. 2678 SOA nna.netnod.se. noc.netnod.se. 1771459236 7200 1800 604800 7200
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0