[dns-operations] some advice on configuring the dns resolver inside "systemd"

[Florian Weimer]

* Robert Edmonds:

> A big exception is Firefox, which I think ultimately does rely on
> getaddrinfo() on Linux systems.

Of course—host name lookup is not just about DNS and files in /etc.
As a result, there isn't a real alternative to using getaddrinfo.

I'm trying to remove roadblocks so that people can move off NIS more
easily, but such changes happen only slowly.