On Tuesday 21 April 2009 14:40:32 Erez D wrote: > hi > > i can ping www.yahoo.com, > but when i ping6 www.yahoo.com - i get "unknow host" > > does ipv4 and ipv6 use different dns ? There is no AAAA record for www.yahoo.com, as far as I can see, so there is no IPV6 address to ping...