IPv6 PTR format -- decimal or hex?

[Daniel Roesen]

* Dan Foster <usenet at evilphb.org>:
> Let's say, it's 3ffe::1, expanded as: 3ffe:0000:0000:0000:0000:0000:0000:0001
> 
> With the nibble format for the inverse mapping, the zone name would be:
> 
> 0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.e.f.f.3.ip6.arpa

Actually, you would probably make the zone cover a /64 or even more.
> 
> My question is, is the range for the name of the PTR records: 0-9,a-f
> and a single digit as opposed to 0-255?
> 
> It's just not clear to me if it's expressed in hexadecimal or decimal.

Hex.


Best regards,
Daniel