Question and response
Question
dig _spf.zen.co.uk. TXT
Answer
_spf.zen.co.uk. 86400 TXT "v=spf1 ip4:212.23.1.0/27 ip4:212.23.3.112/28 ip4:212.23.6.64/28 ip4:212.23.3.224/27 ~all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0