Question and response
Question
dig u15526930.wl181.sendgrid.net. TXT
Answer
u15526930.wl181.sendgrid.net. 1800 TXT "v=spf1 ip4:167.89.85.140 ip4:198.37.148.151 -all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0