what's a valid domain name?

[Ben Croswell]

The rfc you quote clearly states when used as a delimiter of a domain as I
stated.

-Ben Croswell
On Jan 31, 2011 8:58 PM, <pyh at mail.nsbeta.info> wrote:
> Ben Croswell writes:
>
>> In that case technically you are creating undelegated subdomains for each
>> router.
>> The dot is a delimiter and can't be part of a hostname.
>>
>
> I was thinking you are wrong.
> Period is somewhat permitted in a hostname.
>
> From RFC 952
>
> A "name" (Net, Host, Gateway, or Domain name) is a text string up
> to 24 characters drawn from the alphabet (A-Z), digits (0-9), minus
> sign (-), and period (.). Note that periods are only allowed when
> they serve to delimit components of "domain style names".
>
> No blank or space characters are permitted as part of a
> name. No distinction is made between upper and lower case. The first
> character must be an alpha character [Relaxed in RFC 1123] . The
> last character must not be a minus sign or period.
>
>
> regrads.
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