Comment 83 for bug 1754671

(In reply to Thomas Haller from comment #17)
> tl;dr: +1 for a "dns" section.

Ok, I'll add the new 'default' property to a 'dns' setting and I'll also move the existing connection.mdns property there, since we haven't done any official release that includes it.

I pushed some preliminary patches to branch bg/dns-domains-pt1-bgo746422, please review.