Hi all,

Sometimes private networks want you to use a specific DNS server for a
specific domain suffix but still use your regular DNS server for all other
names. I've added support for this to my plan9 tree, and David du Colombier
has applied it to 9legacy. It might be worth adding to 9front as well.

The change is in
https://github.com/rsc/plan9/commit/e8c148ff092a5780d04aa2fd4a07a5732207b698
.

A corresponding update to dnsdebug is in
https://github.com/rsc/plan9/commit/1d0642ae493bf5ce798a6aa64a745bc6316baa11
(David, you don't have that one yet, I just wrote it).

As the man page update explains, the change is pretty minimal. Instead of
writing

    dns=1.2.3.4

you write

    dns=1.2.3.4 suffix=my.net

to say that 1.2.3.4 should be used for names ending in my.net and only
those.

Best,
Russ

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