Note that any dns caching software would help, unbound is just
one popular one. dnsmasq is another. In fact, if you wanted to,
you could use the full bind package and configure it for caching
and forwarding, although that would be a bit of overkill. Once
you install caching software, make sure your /etc/resolv.conf or
equivalent is pointing to 127.0.0.1 as its first reference.
From my point of view, it's mostly about reliability. You can use the hoster's DNS resolver, but be aware that a high-bandwidth exit asks a lot of DNS requests. Not every hoster's DNS resolver might be able to cope with it and as a result your exit might give users a poor experience.
Best Regards,
Kristian
Apr 8, 2022, 07:20 by onionize@riseup.net:
I was setting up exit nodes and I had a question. Why is it recommended
to use DNS caching software Unbound? What benefits does it provide
compared to using hoster's DNS resolver?
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