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Implement DnsResolver for Windows - #129845

Merged

rzikm merged 35 commits into

dotnet:mainfrom

rzikm:dns-resolver

Jul 8, 2026

Commits on Jun 3, 2026
- Add System.Net.Dns resolver API surface and Windows implementation
  
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  21787a2
- Add DnsResolver tests
  
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  77dd68c
Commits on Jun 4, 2026
- Add loopback DNS test suite and restrict DnsQueryEx custom servers to port 53
  
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  f0ef4af
Commits on Jun 11, 2026
- Polish tests
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  a589fad
- Add synchronous DnsResolver methods using synchronous DnsQueryEx
  
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  73acd3c
- Unify sync/async DnsResolver core methods into single bool-async methods
  
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  c375219
- Assert sync DnsResolver core tasks complete synchronously
  
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  8196da6
- Refactor Windows DnsResolver logic into DnsResolverPal (PAL pattern)
  
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  522c396
- Add telemetry to DnsResolver
  
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  6157140
- Fix DnsResolver telemetry under-measuring synchronous queries
  
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  6f99d7b
Commits on Jun 12, 2026
- Address Windows DNS PR review feedback
  
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  6068489
Commits on Jun 16, 2026
- Keep instance DnsResolver.ResolvePtr(IPAddress) overloads
  
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  42bb74e
Commits on Jun 17, 2026
- More code review feedback
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  6a9f986
- Reduce unsafe code in Windows DNS PAL/interop layer
  
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  023ff8b
- More minor changes
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  4247861
Commits on Jun 18, 2026
- Address PR review feedback: thread-safety and server validation
  
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  3af512a
- Add synchronous API coverage to DnsResolverTest via bool async theories
  
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  14b6592
- Address PR review feedback: port normalization, skip handling, comments
  
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  ed8096c
Commits on Jun 25, 2026
- Address PR #129845 review feedback
  
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  693bd6e
Commits on Jun 26, 2026
- Modernize DnsQueryEx interop per review feedback
  
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  982d370
Commits on Jun 27, 2026
- Address PR review feedback on DNS resolver
  
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  99054e7
- More feedback
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  0f2ebd6
- Feedback
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  ff8e4fc
- regenerate ref source
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  38dd455
Commits on Jun 30, 2026
- Address PR feedback: remove dead interop, fix positive-result TTL
  
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  83c8739
- Move server validation into a platform-specific PAL hook
  
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  ea64984
Commits on Jul 1, 2026
- Make loopback tests innerloop
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  be74d7f
- bind loopback to ephemeral port on non-windows platforms
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  796a3dc
- Make NegativeCacheTtl best-effort and document thread safety
  
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  d14266f
Commits on Jul 2, 2026
- Address review: accurate name exception docs and atomic TcpRequestCount
  
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  97ad29d
- Add impersonation tests for DnsResolver APIs
  
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  e61a53f
- Apply suggestions from code review
  
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  c35aa4b
- Apply suggestions from code review
  
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  7ef05d1
Commits on Jul 3, 2026
- Surface locally-resolved address records from the QUESTION section
  
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  7e7f2f1
Commits on Jul 7, 2026
- Work around Windows 10 DnsQueryEx synchronous-completion bug
  
  rzikm
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  committed
  c47cc72

Commits

Commits on Jun 3, 2026

Commits on Jun 4, 2026

Commits on Jun 11, 2026

Commits on Jun 12, 2026

Commits on Jun 16, 2026

Commits on Jun 17, 2026

Commits on Jun 18, 2026

Commits on Jun 25, 2026

Commits on Jun 26, 2026

Commits on Jun 27, 2026

Commits on Jun 30, 2026

Commits on Jul 1, 2026

Commits on Jul 2, 2026

Commits on Jul 3, 2026

Commits on Jul 7, 2026