Question and response
Question
dig anycast9.irondns.net. AAAA
Answer
anycast9.irondns.net. 3600 AAAA 2a01:5b0:4:0:0:0:0:b
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0