Question and response
Question
dig u2dns1.salesforce.com. AAAA
Answer
u2dns1.salesforce.com. 86400 AAAA 2610:a1:31d2:0:0:0:0:53
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0