_spf.postal.oderland.com has no CNAME records.
Question and response
Question
dig _spf.postal.oderland.com. NS
Answer
The response has no answer records.
Authority
oderland.com. 57 SOA ns.oderland.net. registry.oderland.se. 2026021925 14400 86400 3600000 600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0