Question and response
Question
dig spf.rev.io. TXT
Answer
spf.rev.io. 21600 TXT "v=spf1 ip4:50.31.43.239 ip4:167.89.9.223 ip4:168.245.10.141 ip4:168.245.49.18 ip4:198.37.144.99 ~all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0