user 35acc744ac fix: use DNS-over-HTTPS with provider rotation for emailcheck ...

Tor exit nodes poison plain DNS on port 53 and MITM some HTTPS
connections. Replace raw TCP DNS with DoH (Google, Cloudflare, Quad9)
and retry up to 5 times across providers to find a clean exit node.
MX results are now sorted by priority.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

2026-02-16 22:40:43 +01:00

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