Thanks for being here, come back soon. Get notified of new posts:

Subscription confirmed. Thank you for subscribing!

Anbang Wen

Anbang Wen

October 30, 2020 12:00PM

Unwrap the SERVFAIL

DNS Resolver

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 figure out what went wrong behind the scenes....