ATF is currently blocked in France. Unclear, if the block is done on a DNS-level or what. Using a different DNS resolver from your ISP, a VPN or Tor should resolve the issue.
Past Incidents
Friday 7th February 2020
No incidents reported
Thursday 6th February 2020
chat.allthefallen.moe - chatRocket Chat
Restarted Rocket Chat due to bad performance. Was down for maybe 10 minutes.