bsd-andreas.nepustil.net has no CNAME records.
Question and response
Question
dig bsd-andreas.nepustil.net. NS
Answer
The response has no answer records.
Authority
nepustil.net. 163 SOA ns1.nepustil.net. hostmaster.nepustil.net. 2026030201 28800 7200 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0