Question and response
Question
dig ispf1.mlbox.email. TXT
Answer
ispf1.mlbox.email. 300 TXT "v=spf1 ip4:68.183.64.0/20 ip4:68.183.208.0/20 ip4:46.101.96.0/20 ip4:46.101.192.0/18 ip4:46.101.128.0/18 ip4:46.101.112.0/20 ip4:207.154.240.0/20 ip4:207.154.224.0/20 ip4:207.154.208.0/20 ip4:207.154.192.0/20 ip4:206.81.16.0/20 ip4:206.189.48.0/20 ~all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0