Question and response
Question
dig xvfrpwkh.outbound-mail.sendgrid.net. A
Answer
xvfrpwkh.outbound-mail.sendgrid.net. 90 A 168.245.57.16
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1280, xrcode 0, version 0, flags 0