boulder/cdr
Roland Bracewell Shoemaker 35b6e83e81 Implement CAA quorum checking after failure (#1763)
When a CAA request to Unbound times out, fall back to checking CAA via Google Public DNS' HTTPS API, through multiple proxies so as to hit geographically distributed paths. All successful multipath responses must be identical in order to succeed, and at most one can fail.

Fixes #1618
2016-05-05 11:16:58 -07:00
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resolver.go Implement CAA quorum checking after failure (#1763) 2016-05-05 11:16:58 -07:00
resolver_test.go Implement CAA quorum checking after failure (#1763) 2016-05-05 11:16:58 -07:00