Question and response
Question
dig pnkfpnkx.outbound-mail.sendgrid.net. A
Answer
pnkfpnkx.outbound-mail.sendgrid.net. 90 A 50.31.50.26
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1280, xrcode 0, version 0, flags 0