Question and response
Question
dig ns4.changeip.com. AAAA
Answer
ns4.changeip.com. 30 AAAA 2400:8904:0:0:f03c:94ff:feaf:8449
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0