1.1.1.1 lookup failures on October 4th, 2023 | allinfosecnews.com

Oct. 4, 2023, 7:40 p.m. | Ólafur Guðmundsson http://blog.cloudflare.com/author/olafur-gudmundsson/

The Cloudflare Blog blog.cloudflare.com

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

1.1.1 1.1.1.1 blog cloudflare dns doing failure failures may october outage post mortem problems resolution valid

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