Question and response
Question
dig u511372.wl.sendgrid.net. TXT
Answer
u511372.wl.sendgrid.net. 1800 TXT "v=spf1 ip4:167.89.13.187 ip4:167.89.17.242 ip4:167.89.25.12 ip4:167.89.25.126 ip4:198.37.152.133 ip4:198.37.152.137 ip4:198.37.152.151 ip4:198.37.158.230 ip4:198.37.159.162 -all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0