dns: use hickory-resolver for fallback when overlay UDP fails #16

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zaelgohary wants to merge 2 commits from master_fix_dns_forward into master

pull from: master_fix_dns_forward

merge into: geomind_code:master

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zaelgohary commented 2026-02-11 15:25:33 +00:00

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Add system-wide DNS resolver that forwards queries to Mycelium overlay network nodes when routes are available, falling back to 1.1.1.1 via hickory-resolver when overlay is unavailable.

• Background task periodically updates best DNS node selection
• Initial node check runs immediately on startup
• Uses hickory-server for DNS server functionality
• Uses hickory-resolver for fallback DNS resolution
• Logs DNS queries and responses at warn level for visibility

Related Issue: #12

Add system-wide DNS resolver that forwards queries to Mycelium overlay network nodes when routes are available, falling back to 1.1.1.1 via hickory-resolver when overlay is unavailable. - Background task periodically updates best DNS node selection - Initial node check runs immediately on startup - Uses hickory-server for DNS server functionality - Uses hickory-resolver for fallback DNS resolution - Logs DNS queries and responses at warn level for visibility Related Issue: https://forge.ourworld.tf/geomind_code/mycelium_network/issues/12

zaelgohary added 1 commit 2026-02-11 15:25:33 +00:00

dns: use hickory-resolver for fallback when overlay UDP fails 95ab62e4ce

zaelgohary added 1 commit 2026-02-19 10:21:51 +00:00

Refactor DNS resolver to use overlay forwarding, Add best node selection based on route metrics, Implement fallback to 1.1.1.1 via hickory-resolver, Add readiness mechanism for DNS resolver startup, Update mobile library to wait for DNS resolver readiness, Reduce DNS timeout from 5s to 3s, Simplify socket binding and error handling 9634adcdbb

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