Question and response
Question
dig wrqvkbsv.outbound-mail.sendgrid.net. A
Answer
wrqvkbsv.outbound-mail.sendgrid.net. 900 A 149.72.27.104
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1280, xrcode 0, version 0, flags 0