spf-intern.codepiraten.com has no CNAME records.
Question and response
Question
dig spf-intern.codepiraten.com. NS
Answer
The response has no answer records.
Authority
codepiraten.com. 10800 SOA ns1.first-ns.de. dns.hetzner.com. 2026022502 14400 1800 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0