fix(http): replace cached HTTPS DNS records - #971
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ryanfowler
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August 8, 2026 10:56
Replace the previous HTTPS RRset after a successful lookup, including NODATA responses. Preserve cached DNS candidates when discovery fails, while continuing to race fresh discovery against Alt-Svc candidates.
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Validation
cargo fmt --checkcargo clippy --locked --all-targets --all-features -- -D warningscargo test --locked --all-features --lib --bins--test-threads=2