80.209.51.202.static.fibianet.dk has no CNAME records.
Question and response
Question
dig 80.209.51.202.static.fibianet.dk. NS
Answer
The response has no answer records.
Authority
static.fibianet.dk. 1292 SOA ns1.fibianet.dk. hostmaster.fibianet.dk. 2020050701 10800 3600 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0