Outage in Fly.io

fly.dev DNS resolution issues

Resolved Major
September 15, 2025 - Started 1 day ago - Lasted about 3 hours
Official incident page

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Outage Details

We are investigating an issue with fly.dev domain DNS resolution. Default fly.dev domains for apps may fail to resolve. Custom domains continue to work.
Latest Updates ( sorted recent to last )
RESOLVED 1 day ago - at 09/15/2025 06:02PM

This incident has been resolved.

MONITORING 1 day ago - at 09/15/2025 04:58PM

A fix has been implemented and we are monitoring the results.

IDENTIFIED 1 day ago - at 09/15/2025 03:42PM

We've identified an issue with our state replication system and are working on a fix.

INVESTIGATING 1 day ago - at 09/15/2025 02:57PM

We are investigating an issue with fly.dev domain DNS resolution. Default fly.dev domains for apps may fail to resolve. Custom domains continue to work.

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