ipv6.he.net.
Question and response
Question
dig 2.subnet0.200.62.64.in-addr.arpa. PTR
Answer
2.subnet0.200.62.64.in-addr.arpa. 86400 PTR ipv6.he.net.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0