ICANN Archives | DNS Security & Threat Intelligence Blog | Shreshta https://shreshtait.com/blog/tag/icann/ DNS Security & Threat Intelligence Tue, 30 Sep 2025 06:56:16 +0000 en-US hourly 1 https://wordpress.org/?v=6.9.4 Open Resolvers: Understanding security risks and best practices https://shreshtait.com/blog/2023/04/open-resolvers-understanding-security-risks-and-best-practices/ Thu, 13 Apr 2023 16:56:43 +0000 https://shreshtait.com/blog/?p=4298 An “open resolver” is a DNS server that accepts and resolves a domain name recursively for anyone on the internet. In this blog post, we will share the security risks of open resolvers and best practices. At the time of writing, there were 192920 open resolvers in India with recursion enabled. While most of these […]

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