[iangudger]

If you want something faster than github.com/miekg/dns, there is golang.org/x/net/dns. I am the author, but I promise it is a lot faster. It is about an order of magnitude faster in my benchmarks.

[lmb]

Where does that order of magnitude come from? Certainly sounds interesting.

[dullgiulio]

That's very interesting, thanks, I will try this!