fly.dev DNS resolution issues

Incident Report for Fly.io

Resolved

This incident has been resolved.

Posted Sep 15, 2025 - 18:02 UTC

Monitoring

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

Posted Sep 15, 2025 - 16:58 UTC

Identified

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

Posted Sep 15, 2025 - 15:42 UTC

Investigating

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.

Posted Sep 15, 2025 - 14:57 UTC

This incident affected: DNS (flydns.net).