spf.kasserver.com has no CNAME records.
Question and response
Question
dig spf.kasserver.com. NS
Answer
The response has no answer records.
Authority
kasserver.com. 6587 SOA ns5.kasserver.com. hostmaster.kasserver.com. 2602222040 28800 7200 1209600 7200
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0