dns.frosmidan.com has no CNAME records.
Question and response
Question
dig dns.frosmidan.com. NS
Answer
The response has no answer records.
Authority
frosmidan.com. 3567 SOA dns.frosmidan.com. hostmaster.frosmidan.com. 1587349823 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0