bad DNS config push - 1 shot
routing loop - 2 shots
third party advertising your routes - 3 shots
power outage at data centre it turns out everything depends on despite decades and millions in engineering to avoid precisely that - 4 shots
Wolves ate through fiber - 5 shots
And it was a full moon - 6 shots
Single service failure, but service has not been restarted in 5 years, and no longer restarts in any documented fashion - 7 shots
And service developers left the company to found a startup - 8 shots
Expired internal SSL certificate - 9 shots
Daylight savings changeover-induced database corruption - 10 shots
Windows Update - 11 shots