Hi, > > 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. Aaron thats not correct there is an ip6.arpa reverse delegation for 3ffe::/16! Greets, Christian