[System.Net.NameResolution] Fall back to localhost when localhost. resolution fails#130504
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liveans wants to merge 1 commit into
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[System.Net.NameResolution] Fall back to localhost when localhost. resolution fails#130504liveans wants to merge 1 commit into
localhost. resolution fails#130504liveans wants to merge 1 commit into
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This was referenced Jul 10, 2026
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Summary
Some OS resolvers fail to resolve the fully qualified
localhost.name even though it is equivalent tolocalhost.This change makes
localhost.eligible for the existing RFC 6761 fallback behavior:localhostif resolution fails or returns no addresses.Fixes #129204