user 203b581704 Reduce DNS query timeout to 2s and limit root server fan-out to 3 ...

- Reduce queryTimeoutDuration from 5s to 2s
- Add randomRootServers() that shuffles and picks 3 root servers
- Replace all rootServerList() call sites with randomRootServers()
- Keep maxRetries = 2

Closes #29

2026-02-22 03:35:16 -08:00

..

dns_client.go

fix: mock DNS in resolver tests for hermetic, fast unit tests

2026-02-20 05:58:51 -08:00

errors.go

Add resolver API definition and comprehensive test suite

2026-02-20 05:58:51 -08:00

iterative.go

Reduce DNS query timeout to 2s and limit root server fan-out to 3

2026-02-22 03:35:16 -08:00

resolver_test.go

resolver: remove DNS mocking, use real DNS queries in tests

2026-02-20 06:06:25 -08:00

resolver.go

style: fix formatting in resolver.go

2026-02-20 05:58:51 -08:00