No exact results. Similar results found.
@grumpybozo@toad.social2026-01-23 00:42:17
MS365 email cannot achieve “four nines” availability for 2026.
They’ve been down for long enough today that they’re more than halfway to losing the third 9. It's DNS.
The biggest mail system I help manage had NO unplanned downtime in 2025 & the planned downtime (kernel updates) was less than 0.004%
The biggest DNS environment I help manage has had 100% availability for >5y. It has NEVER returned SERVFAIL for a valid name.
Sadly, I do not scale. And I am o…