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high-availability nftables dns

Anycast DNS с BIRD2 и BGP: настройка на нескольких локациях

Развёртывание anycast DNS на нескольких VPS с BIRD2 и BIND9. Анонс маршрутов BGP, синхронизация зон через TSIG, автоматическое переключение по health-check и защита nftables.

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