[uk6x.com]
 uk6x.com.                      SOA    ns.ipv6.btexact.com root.ipv6.btexact.com. (2006100501 7200 3600 1209600 86400)
 uk6x.com.                      AAAA   2001:618:1:8000:0:0:0:5
 uk6x.com.                      A      213.121.24.93
 uk6x.com.                      MX     10   huxley.uk6x.com
 uk6x.com.                      NS     ns.ipv6.bt.com
 uk6x.com.                      NS     ns.uk6x.com
 uk6x.com.                      NS     ns1.uk6x.com
 asterix                        A      213.121.24.85
 blake                          A      213.121.24.81
 carroll                        AAAA   2001:618:1:8000:0:0:0:c
 chomsky                        CNAME  chomsky2.uk6x.com
 chomsky1                       AAAA   2001:618:1:8000:0:0:0:10
 chomsky2                       AAAA   2001:618:1:8000:0:0:0:11
 hofmann                        A      213.121.24.92
 hopper                         AAAA   2001:618:1:8000:0:0:0:1
 hopper                         A      213.121.24.91
 hopper-ext-3-1                 A      213.121.24.94
 hopper-net1                    A      213.121.24.82
 hopper-net2                    A      213.121.24.86
 hopper-v4                      A      213.121.24.91
 hubbard                        A      213.121.24.89
 huxley                         AAAA   2001:618:1:8000:0:0:0:2
 huxley                         A      213.121.24.89
 ipv6                           AAAA   2001:618:1:8000:0:0:0:5
 ipv6camera                     AAAA   2001:618:7:3:280:f0ff:fe56:a9
 kesey                          AAAA   2001:618:1:8000:0:0:0:5
 kesey                          A      213.121.24.93
 lgipv6                         AAAA   2001:618:1:1:290:27ff:fe9f:c7eb
 mckenna                        A      213.121.24.92
 mckenna                        AAAA   2001:618:1:8000:0:0:0:a
 ns                             AAAA   2001:618:1:8000:0:0:0:5
 ns                             A      213.121.24.93
 ns1                            AAAA   2001:618:1:1:2d0:b7ff:fe7e:69be
 ns1                            A      193.113.58.77
 penrose                        AAAA   2001:618:1:8000:0:0:0:12
 penrose                        A      213.121.24.90
 test                           AAAA   2001:618:0:0:0:0:0:1
 tunnel                         CNAME  hopper.uk6x.com
 uk6x-core-hopper-fe0-0         AAAA   2001:618:1:8000:0:0:0:1
 www                            CNAME  kesey.uk6x.com
 uk6x.com.                      SOA    ns.ipv6.btexact.com root.ipv6.btexact.com. (2006100501 7200 3600 1209600 86400)
>

This somewhat surprises me that this company runs an insecure nameserver.
Another vulnerable nameserver discovered by akill.