Facebook does this too:
$ dig +short AAAA facebook.com 2a03:2880:f10e:83:face:b00c:0:25de
They might be the first to do this. Google could have done it easily with 6006:1e, but they never took the opportunity.
They might be the first to do this. Google could have done it easily with 6006:1e, but they never took the opportunity.