Source: Cloudflare Blog
A recent change to 1.1.1.1 accidentally altered the order of CNAME records in DNS responses, breaking resolution for some clients. This post explores the technical root cause, examines the source code of affected resolvers, and dives into the inherent ambiguities of the DNS RFCs.
👋 Short Intro Why I’m Writing This I’m currently learning Networking for DevOps and decided to learn in public by documenting my journey. This blog is part of...
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