_spf.louhi.net has no CNAME records.
Question and response
Question
dig _spf.louhi.net. NS
Answer
The response has no answer records.
Authority
louhi.net. 3600 SOA dns1.louhi.net. hostmaster.louhi.net. 2024052358 3600 600 86400 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0