Question and response
Question
dig _spf-clients.edunao.com. TXT
Answer
_spf-clients.edunao.com. 300 TXT "v=spf1 ip4:52.148.244.33 ip4:4.233.125.199 ip4:57.128.113.111 ~all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0