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DNS checks now always complete before port or TLS checks begin, ensuring those checks use freshly resolved IP addresses instead of potentially stale ones from a previous cycle. Changes: - Extract runDNSChecks() from runDNSAndPortChecks() so DNS resolution can be invoked independently - Run DNS before TLS on the TLS ticker (previously TLS ran alone with whatever IPs were in state from the last DNS cycle, up to 12h stale) - RunOnce uses explicit 3-phase ordering: DNS → ports → TLS - Add TestDNSRunsBeforePortAndTLSChecks to verify fresh IPs propagate - Update README monitoring lifecycle to document DNS-first ordering closes #58
17 KiB
17 KiB