spf2.0/pra
Question and response
Question
dig testback.com. TXT
Answer
testback.com. 3600 TXT "v=spf1 mx ~all"
testback.com. 3600 TXT "spf2.0/pra"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1400, xrcode 0, version 0, flags 0