Question and response
Question
dig _spf.plan.io. TXT
Answer
_spf.plan.io. 3600 TXT "v=spf1 ip4:88.99.193.223 ip4:116.202.71.64/27 ip4:5.9.225.240/28 ~all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0