Cloudflare is joining the AS112 project to help the Internet deal with misdirected DNS queries

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Cloudflare is joining the AS112 project as an operator of its anycast deployment of DNS servers. This initiative aims to handle reverse DNS lookup queries for private-use IP addresses that are misdirected to the public DNS system, reducing unwanted load on the internet. Cloudflare's global network will improve the stability, reliability, and performance of this distributed public service. The post details the problem of misdirected queries for private IP addresses (RFC 1918 ranges and link-local addresses), explains reverse DNS lookups, and describes the AS112 project's history, direct delegation, and DNAME redirection mechanisms.