mail.evilbit.de has no CNAME records.
Question and response
Question
dig mail.evilbit.de. NS
Answer
The response has no answer records.
Authority
evilbit.de. 1233 SOA ns.evilbit.de. postmaster.evilbit.de. 2026022201 10800 3600 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0