fallback2.ospito.net has no CNAME records.
Question and response
Question
dig fallback2.ospito.net. NS
Answer
The response has no answer records.
Authority
ospito.net. 1527 SOA ns1.ospito.nl. hostmaster.ospito.net. 2026020504 3600 3600 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0