[KLUG Members] Bind 9 exotic featues?

[Adam Williams]

I'm building Bind 9 with sdb to use an LDAP back end,  something I've
been meaning to do for so long someone else up and did it. :)

So I was looking at the README that comes in the bind tar ball and it
lists a bunch of features I've never heard of -

DNSSEC (signed zones)
TSIG (signed DNS requests)
Views

The documentation on these seems a bit scant.  Anyone used these?  

Cryptographically signing DNS queries and responses seems like a really
nice feature, but do any clients support it?

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