Today at 15:51 UTC, we opened an internal incident entitled 'Facebook DNS lookup returning SERVFAIL' because we were worried that something was wrong with our DNS resolver 1.1.1.1.
“Facebook can't be down, can it?”, we thought, for a second. This post is also available in 简体中文, 繁體中文, 日本語, 한국어, Deutsch, Français, Español, Português, Pусский, and Italiano.
