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IETF Outage History

Every past IETF outage tracked by IsDown, with detection times, duration, and resolution details.

There were 88 IETF outages since January 2025. The 69 outages from the last 12 months are summarized below, with incident details, duration, and resolution information.

Major January 22, 2026

January 2026: SMTP outage

Detected Jan 22, 2026 8:39 AM EST · Resolved Jan 22, 2026 9:00 AM EST · Duration 21 minutes
Major January 16, 2026

January 2026: SMTP outage

Detected Jan 16, 2026 5:21 PM EST · Resolved Jan 16, 2026 6:49 PM EST · Duration about 1 hour
Major January 13, 2026

January 2026: SMTP outage

Detected Jan 13, 2026 3:15 PM EST · Resolved Jan 13, 2026 3:37 PM EST · Duration 23 minutes
Major January 1, 2026

January 2026: SMTP outage

Detected Jan 1, 2026 1:06 AM EST · Resolved Jan 1, 2026 1:28 AM EST · Duration 22 minutes