Recursor 3.5.2 released

This is a stability and bugfix update to 3.5.1. It contains important fixes that improve operation for certain domains.

Changes since 3.5.1:

  • Responses without the QR bit set now get matched up to an outstanding query, so that resolution can be aborted early instead of waiting for a timeout. Code in commit ee90f02.
  • The depth limiter changes in 3.5.1 broke some legal domains with lots of indirection. Improved in commit d393c2d.
  • Slightly improved logging to aid debugging. Code in commit 437824d and commit 182005e.

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