HansenITSolutions/ExploreDNS
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3bd2815bd47b7120145c1dcb9394a22144eeccdc
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3 Commits
Author SHA1 Message Date
Gary HansenCopilotmultica-agent
 		3bd2815bd4 Fix code review issues: timeouts, RootHints fallback, upstream validation, Unix comment
CI / test (pull_request) Failing after 1m30s
Details 
- Fix ReadTimeout/WriteTimeout to use 5*time.Second instead of 5 (nanoseconds)
- Add RootHints fallback in DiscoverRoots() when queryResolver fails
- Validate --dns-upstream is a valid host:port in Config.Validate()
- Update systemResolver() comment to note it is Unix-only (/etc/resolv.conf)

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Co-authored-by: multica-agent <github@multica.ai>
 2026-06-08 13:19:58 +10:00
Gary HansenCopilotmultica-agent
 		87898d5eb3 feat: DNS host selection - system resolver, --dns-upstream flag, root hints 
- Replace hardcoded 127.0.0.1:53 in systemResolver() with actual system
  DNS from /etc/resolv.conf (falls back to 127.0.0.1:53 if unavailable)
- Add Resolver field to RootDiscoveryConfig so callers can override the
  upstream resolver used during root server discovery
- Add --dns-upstream flag (e.g. --dns-upstream 8.8.8.8:53) to exploredns
  CLI and DNSUpstream field to Config
- Add internal/dns/hints.go with all 13 IANA root server IPv4/IPv6
  addresses as embedded constants (RootHints []RootServer)
- Update tests: fix real_exchange_test.go call site; add hints_test.go
  covering RootHints correctness and resolver helper functions

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Co-authored-by: multica-agent <github@multica.ai>
 2026-06-08 13:10:22 +10:00
Garyandmultica-agent 924fcbd43a feat: implement root server discovery (HAN-378)
CI / test (pull_request) Failing after 1m17s
Details 
Add RootServer struct and DiscoverRoots function that queries the local
resolver for NS records of the root zone, resolves each root name to
A/AAAA addresses, and returns a list of RootServer structs.

Supports:
- Default: discovers a single root server from local resolver
- --root-server override to target a specific root server
- --all-root-servers to discover all 13 root servers
- --root-aaaa flag to include IPv6 addresses

Includes unit tests for all helper functions and integration tests
that skip gracefully when no resolver is available.

Co-authored-by: multica-agent <github@multica.ai>
 2026-06-05 15:44:59 +10:00