[dns-operations] What's a "suffix"?

[Jothan Frakes]

Hi-

Perhaps my suggestion was better for off-list, and I certainly don't know
if it would be the magic solution for .cw, but it certainly could not hurt
them to submit their entry to the PSL.  I do hope it contributes to the
solution for them.

The PSL is something that the application development community uses to
enhance the IANA list for a variety of uses, typically for understanding
what might be valid on the rightmost side of addresses.    Many app
developers don't closely watch the IANA root list, and want to know how to
have a more elegant understanding and handling of the right hand side of
addresses that are parsed, going deeper than just the TLD itself.

I don't have an opinion on if it is right or wrong, but it has been around
for some time, and a few years back I saw it was out of synch with the TLD
community and have put a lot of volunteer time into trying to correct that.
 I am on temporary hiatus, but when not on exclusive projects, I volunteer
time and experience to the initiative as it needs tighter nexus with the
DNS community.  Many of you have perhaps seen me presenting it at ICANN
meetings within the CCNSO tech day or other forums to help elevate
awareness in the past few years.

The hope and purpose is to bridge the application development world so as
to increase better sophistication for developers about TLDs and reduce
legacy problems like simple TLD tests (ie >3 chars = invalid which broke
forms or other functionality for info, museum, aero, mobi, travel etc. as
they launched) .

It is a central system managed by the community, kept up to date by
volunteers, and used by numerous software developers, programming
languages, browsers (cookies), search engines, security software, and many
other places.

Hopefully it helps .cw as they launch, which was my initial purpose in
response.

Definitely worth folks on this list being aware of it.  Being able to
positively impact how your zone operates within the application development
community is a valuable resource.

-J

Jothan Frakes



On Mon, Jan 21, 2013 at 1:00 AM, Stephane Bortzmeyer <bortzmeyer at nic.fr>wrote:

> On Mon, Jan 21, 2013 at 09:25:03AM +0100,
>  Stephane Bortzmeyer <bortzmeyer at nic.fr> wrote
>  a message of 21 lines which said:
>
> > A "suffix" is any string ending a domain name.
>
> A reader even more nazi than I am suggested a definition closer to the
> DNS semantics:
>
> A suffix is any sequence of labels ending a domain name.
>
>
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