Question and response
Question
dig _netblocksc26.carrierzone.com. TXT
Answer
_netblocksc26.carrierzone.com. 1200 TXT "v=spf1 ip4:64.29.144.0/20 ip4:66.175.40.0/24 ?all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0