Question and response
Question
dig u18582349.wl100.sendgrid.net. TXT
Answer
u18582349.wl100.sendgrid.net. 1800 TXT "v=spf1 ip4:149.72.38.171 ip4:149.72.82.47 ip4:159.183.100.224 ip4:167.89.73.112 ip4:167.89.82.151 ip4:167.89.93.95 -all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0