Something
public text v1 · immutable$ host -t NS ipv6.he.net
ipv6.he.net name server ns1.ipv6.he.net.
ipv6.he.net name server ns2.ipv6.he.net.
$ host -t AAAA ns1.ipv6.he.net
ns1.ipv6.he.net has AAAA address 2001:470:ffff:0:250:4ff:fe3c:aa95
ns1.ipv6.he.net has AAAA address 3ffe:81d0:ffff:0:250:4ff:fe3c:aa95
$ host -t AAAA ns2.ipv6.he.net
ns2.ipv6.he.net has AAAA address 2001:470:ffff:0:2d0:b7ff:fe21:aa51
ns2.ipv6.he.net has AAAA address 3ffe:81d0:ffff:0:2d0:b7ff:fe21:aa51