In message <20110130013241.dff772d...@mail.nsbeta.info>, p...@mail.nsbeta.info
wri
tes:
> Mark Andrews writes:
> >
> > Remember domain names are not the same things as hostnames. Hostnames
> > are limited to letter digit hyphen (LDH). Other domain names are not
> > limited and things last SRV
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.
Mark Andrews writes:
Remember domain names are not the same things as hostnames. Hostnames
are limited to letter digit hyphen (LDH). Other domain names are not
limited and things last SRV records deliberately use labels that are
not legal in hostnames to prevent collisions of the two namespace
On Fri, Jan 28, 2011 at 10:52:42AM +0800, bangla desh wrote:
...
> I am wondering, is there a dns rule/standard (or RFC) that explains about
> delegation?
Here are some simple rules for DNS delegation. [If I have
oversimplified, the generous souls on this mailing list will let me
know!]
(1) All
As noted before, RFC 1035 set some specifications. But there were a
number of clarifications and changes, notably RFC 1123 and RFC 2181.
So, Pyh, your quote is not quite correct today. The first part never
was - it only refers to second-level domains. The second part is
correct for hostnames on
On Fri, Jan 28, 2011 at 11:12:29PM -0500, Barry Margolin wrote:
...
> I'm sure the folks who run these networks are quite aware of this
> danger. If a root server changes, I'll bet it will be several years
> before the old address goes to some other organization.
...
Yah, I know. May not be t
In article ,
p...@mail.nsbeta.info wrote:
> The book "Pro DNS and BIND" says:
>
> If the caching server obtains its data directly from an authoritative DNS,
> then it too will respond as authoritative. Ohterwise, if the data is
> supplied from its cache, the response is nonauthoritative.
>
In message , Barry Mar
golin writes:
> In article ,
> Joseph S D Yao wrote:
>
> > [This does leave a security hole - if a root name server's IP changes,
> > and a Bad Guy gets the old one; or on another internet, if the Bad Guy
> > gets all the IP addresses in the default file. It's not just l
In message <20110129053051.bad452d...@mail.nsbeta.info>, p...@mail.nsbeta.info w
rites:
> Barry Margolin writes:
>
> > In article ,
> > p...@mail.nsbeta.info wrote:
> >
> >> I googled and found this:
> >
> > It's on the Internet, so it must be true. :)
> >
> >>
> >> * A domain name
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