Unwrap the SERVFAIL
We recently released a new version of Cloudflare Resolver which adds a piece of information called “Extended DNS Errors” (EDE) along with the response code under certain circumstances. This will be helpful in tracing DNS resolution errors and figuring out what went wrong behind the scenes.(image from: https://www.pxfuel.com/en/free-photo-expka)A tight-lipped agentThe DNS protocol was designed to…
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