Aggressive nsec3 fixes

Fixes https://gitlab.labs.nic.cz/knot/knot-resolver/issues/384. Needs review by myself, NEWS, etc.

added 1 commit

• 76bdd2a9 - cache closest_NS(): factor out the inside of a loop

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• 1b0ee892 - cache closest_NS(): factor out the inside of a loop

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unmarked as a Work In Progress

changed the description

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• ed0fe0aa - NEWS for the caching fix in grand-parent commit

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Respdiff looks good. There's a slight improvement in the TLS-forward test case (compared to v2.4.0).

hopefully it's a side effect of removing that cache-hit regression of 2.4.0 (in those cases).

added 6 commits

• ed0fe0aa...5914bc61 - 2 commits from branch master
• 4b72b0e3 - cache: better logging of NSEC3 parameters
• 9db4c21d - cache: don't require cached NS for aggresive answers
• 16e8ee66 - cache closest_NS(): factor out the inside of a loop
• dfe35016 - NEWS for the caching fix in grand-parent commit

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added 6 commits

• dfe35016...cc036420 - 2 commits from branch master
• bd7ffc25 - cache: better logging of NSEC3 parameters
• aaf4e858 - cache: don't require cached NS for aggresive answers
• 2c072ba7 - cache closest_NS(): factor out the inside of a loop
• 912b0398 - NEWS for the caching fix in grand-parent commit

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added 1 commit

• 687dde02 - NEWS for the caching fix in grand-parent commit

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enabled an automatic merge when the pipeline for 687dde02 succeeds

merged

mentioned in commit 2ffa6c10

added bug label

changed milestone to %2018 Q3