On Wed, 2003-02-05 at 00:17, Christian Nickel wrote: > Currently you can use both ip6.int and ip6.arpa with 3ffe::/16 and 2001::/16, > but ip6.arpa should be preferred. That's just a tad bit misleading. You *can*, sure; but there is no reverse delegation for 3ffe::/16 under ip6.arpa, only ip6.int.