what's a valid domain name?
Joseph S D Yao
jsdy at tux.org
Tue Feb 1 21:14:26 UTC 2011
On Sun, Jan 30, 2011 at 09:40:51AM +0800, pyh at mail.nsbeta.info wrote:
> Joseph S D Yao writes:
>
> >
> > The labels must follow the rules for ARPANET host names. They must
> > start with a letter, end with a letter or digit, and have as interior
> > characters only letters, digits, and hyphen. There are also some
> > restrictions on the length. Labels must be 63 characters or less.
> >
>
> A label must start with a letter? oh I don't think so.
> How about these domains which all have huge DNS traffic?
>
> 163.com
> 126.com
> 51.com
> 56.com
>
> yes 163.com is a domain name but "163" also can be treated as a label for
> domain "com.", is it?
That's why I said it was modified later. Did you read the whole
message I wrote?
I spent hours slaving over a hot bit-griddle just to make it for you.
--
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** Joe Yao jsdy at tux.org - Joseph S. D. Yao
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