Question and response
Question
dig u17353913.wl164.sendgrid.net. TXT
Answer
u17353913.wl164.sendgrid.net. 1800 TXT "v=spf1 include:sendgrid.net ~all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0