_spf.klsvc.net has no CNAME records.
Question and response
Question
dig _spf.klsvc.net. NS
Answer
The response has no answer records.
Authority
klsvc.net. 2959 SOA ns1.wekloud.com. info.wekloud.com. 2024102800 7200 7200 1209600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0