Question and response
Question
dig smtp1.bt.com. TXT
Answer
smtp1.bt.com. 600 TXT "v=spf1 ip4:62.172.48.78 ip4:62.172.48.79 ip4:62.172.48.80 ip4:213.121.34.171 ip4:213.121.34.172 ip4:213.121.34.174 -all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0