spf.ukservers.net has no CNAME records.
Question and response
Question
dig spf.ukservers.net. NS
Answer
The response has no answer records.
Authority
ukservers.net. 7272 SOA ns0.phase8.net. support.phase8.net. 2025010601 28800 3600 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0