frigg.dnsnodes.com has no CNAME records.
Question and response
Question
dig frigg.dnsnodes.com. NS
Answer
The response has no answer records.
Authority
dnsnodes.com. 2284 SOA odin.dnsnodes.eu. hostmaster.dnsnodes.eu. 2025110203 86400 28800 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0