Question and response
Question
dig _netblocks3.mailhostbox.com. TXT
Answer
_netblocks3.mailhostbox.com. 300 TXT "v=spf1 ip4:208.91.198.48 ip4:208.91.198.156 ip4:208.91.198.232 ip4:208.91.199.196/31 ip4:208.91.199.206/31 ip4:208.91.199.208/29 ip4:208.91.199.216/30 ip4:208.91.199.220 ip4:208.91.199.224/31 ip4:208.91.199.228/31 ip4:208.91.199.247 ~all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0