Some techinical questions regarding bind Data

[Matus UHLAR - fantomas]

On 24.02.08 08:32, Alex Ponnath wrote:
> I am in the process of building a Frontend to my bind Servers and before
> I do so I have some
> Technical questions regarding data etc. I hope someone can either answer
> them or point me
> To a resource where I can find them. Google was not too much of a help.
> 
> a) What is the maximum character length of a hostname
> b) What is the maximum character length of a domain name
> c) Does the maximum character length for the domain name apply to the
> whole part of the domain name
> inc sub domains etc ?
> d) Is the a overall max length the combined fully qualified host name
> can have (host name + domain part)

RFC 2181; 

the specification doesn't differ between host name and domain name. maximum
length of a segment is 63 characters, total maximum is 255 characters.

> e) Is there a limit how many sub domain levels there can be like
> "lax.ca.us.acme.com"

I don't think there's any
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