К сожалению ни биллинги, ни софт, ни сайты не готовы для полного IPv6, думаю еще лет 5 этот вопрос будет не актуален.
root@dev:~/# dig -t AAAA vk.com
; <<>> DiG 9.7.0-P1 <<>> -t AAAA vk.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 57706
;; flags: qr rd ra; QUERY: 1, ANSWER: 10, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;vk.com. IN AAAA
;; ANSWER SECTION:
vk.com. 900 IN AAAA 2a00:bdc0:3:103:1:0:403:909
vk.com. 900 IN AAAA 2a00:bdc0:3:103:1:0:403:900
vk.com. 900 IN AAAA 2a00:bdc0:3:103:1:0:403:901
vk.com. 900 IN AAAA 2a00:bdc0:3:103:1:0:403:902
vk.com. 900 IN AAAA 2a00:bdc0:3:103:1:0:403:903
vk.com. 900 IN AAAA 2a00:bdc0:3:103:1:0:403:904
vk.com. 900 IN AAAA 2a00:bdc0:3:103:1:0:403:905
vk.com. 900 IN AAAA 2a00:bdc0:3:103:1:0:403:906
vk.com. 900 IN AAAA 2a00:bdc0:3:103:1:0:403:907
vk.com. 900 IN AAAA 2a00:bdc0:3:103:1:0:403:908
root@dev:~/# dig -t AAAA mail.ru
; <<>> DiG 9.7.0-P1 <<>> -t AAAA mail.ru
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 22210
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;mail.ru. IN AAAA
;; Query time: 0 msec
;; SERVER: 66.96.80.194#53(66.96.80.194)
;; WHEN: Wed Nov 21 16:27:43 2012
;; MSG SIZE rcvd: 25
root@dev:~/# dig -t AAAA google.com
; <<>> DiG 9.7.0-P1 <<>> -t AAAA google.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 45757
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;google.com. IN AAAA
;; ANSWER SECTION:
google.com. 14 IN AAAA 2001:4860:4002:800::100e
;; Query time: 0 msec
;; SERVER: 66.96.80.194#53(66.96.80.194)
;; WHEN: Wed Nov 21 16:27:52 2012
;; MSG SIZE rcvd: 56
root@dev:~/# dig -t AAAA odnoklassniki.ru
; <<>> DiG 9.7.0-P1 <<>> -t AAAA odnoklassniki.ru
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 28239
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;odnoklassniki.ru. IN AAAA
;; Query time: 221 msec
;; SERVER: 66.96.80.194#53(66.96.80.194)
;; WHEN: Wed Nov 21 16:28:03 2012
;; MSG SIZE rcvd: 34
Контактик и гугл рулит в этом плане.