1.1.1.1 lookup failures on October 4, 2023

On 4 October 2023, Cloudflare experienced DNS resolution problems. Some users may have received SERVFAIL DNS responses to valid queries. In this blog, we’re going to talk about what the failure was, why it occurred, and what we’re doing to make sure this doesn’t happen again

Engradar shows a summary and links to the original article. The full article is hosted on blog.cloudflare.com.