_spf3.telenor.se has no CNAME records.
Question and response
Question
dig _spf3.telenor.se. NS
Answer
The response has no answer records.
Authority
telenor.se. 5231 SOA dns1.telenor.se. registry.telenor.se. 2026030202 7200 3600 604800 7200
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0