dnsdict6获取ipv6地址

[dnsdict6 v1.4 (c) 2010 by van Hauser /   THC www.thc.org]
dnsdict6用来查询网站的ipv6地址，如果存在的话就显示，不存在的话就没有显示。可自定义线程数和字典。用法为：

Syntax: dnsdict6 [-t THREADS] domain [dictionary-file]

root@bt:~# dnsdict6 google.com

Starting enumerating google.com. - creating 8 threads for 3001 words...
Estimated time to completion: 2 to 5 minutes
ipv6.google.com ...