Question and response
Question
dig u3381634.wl135.sendgrid.net. TXT
Answer
u3381634.wl135.sendgrid.net. 1800 TXT "v=spf1 ip4:167.89.80.213 ip4:167.89.80.78 ip4:167.89.80.79 ip4:192.254.121.229 -all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0