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perf(backend): bound reverse DNS lookup time on relay details - #626
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Run the PTR and forward lookups for the relay details host names on a small dedicated pool with an overall deadline of 2 s per IP. Host names that are not verified by then are returned as unverified. When all lookup threads are busy, the response has no host names and nothing is cached, so a later request tries again. Forward lookups now use dnsjava (A/AAAA) like the PTR lookup, with a 1 s query timeout instead of the system resolver defaults. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_013mFejCibtUKMydqfjJdqag
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Run the PTR and forward lookups for the relay details host names on a
small dedicated pool with an overall deadline of 2 s per IP. Host names
that are not verified by then are returned as unverified. When all
lookup threads are busy, the response has no host names and nothing is
cached, so a later request tries again.
Forward lookups now use dnsjava (A/AAAA) like the PTR lookup, with a
1 s query timeout instead of the system resolver defaults.
Co-Authored-By: Claude Opus 5.5 noreply@anthropic.com
Claude-Session: https://claude.ai/code/session_013mFejCibtUKMydqfjJdqag