Avdhoot Dendgeavdhoot.hashnode.dev·Jan 19, 2024Let's Encrypt Domain Validation Error: The key authorization file from the server did not match this challenge.Securing your website with Let's Encrypt involves domain validation through the ACME protocol. However, issues like mismatched challenges can arise due to mishandled AAAA records. In recent times, domain providers have begun including AAAA records, b...Let's EncryptAdd a thoughtful commentNo comments yetBe the first to start the conversation.