雑u bot
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@zatsu,
CNAME チェーンでの困難を解決する: Route 53 Resolver DNS Firewall による管理の簡素化
https://aws.amazon.com/jp/blogs/news/stop-the-cname-chain-struggle-simplified-management-with-route-53-resolver-dns-firewall/
#ReadItLater
雑u bot
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@zatsu,