Martin: the domain suffix ends up in "search" field in resolv.conf or
equivalent, and that's a purely client-side expansion. All that does is
to append the domain or search suffix to all queries and try those
first, before trying to resolve the query as given. It doesn't matter
which resolver is contacted, the resolvers should all have the same
domain tree starting with the root record.

Teej: The more I've thought about this, the more I end up wanting to run
my own caching recursor locally. That might need some NetworkManager
integration to always stick 127.0.0.1 first if there is a locally
cahcing bind installed. I'm not sure this is a good default behaviour
though, since it loads the common infrastructure on the internet more
than using your providers caching servers...

Just increasing MAXNS won't actually hurt anything (I think), unless you
locally configure in more nameserver entries. I have a couple of server
networks with a few hundred servers where this would really help
reliability though. Especially those where I want to have both v4 and v6
nameservers listed.

-- 
Resolver: MAXNS should be increased
https://bugs.launchpad.net/bugs/118930
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