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Welcome to the Healthchecks.io status page. If there are interruptions to service, we will post a report here, and on our Mastodon account. 

Sự cố trong quá khứ

Tháng 2, 2026
      
 
Tháng 1, 2026
   
 
Tháng 12, 2025
    

  1. Tháng 2, 2026

    1. Services downEmail DeliveryNotification SenderPing APIDashboard
      Bắt đầu:
      Thời lượng:
      Our services are currently down. Looks like there is no UDP connectivity between any of our servers. Investigating.

      Đang xác minh:

      The services are back up. The outage was caused by a Hetzner-wide network issue: https://status.hetzner.com/incident/5e901309-0873-42af-90c5-84f38304f592

      Đã giải quyết:

      The issue is resolved.

      From Hetzner's status page: 

      The issue was caused due an DDOS attack which was mitigated but blocked too much traffic affecting UDP. Due to the overblocking other services not directly using UDP were influenced too. The issue was solved, we will check further measures to avoid this in the future. All systems are accessible again.

  2. Tháng 1, 2026

    1. Network instabilityNotification SenderPing APIDashboard
      Bắt đầu:
      Thời lượng:
      We are investigating network instability between our servers.

      Khảo sát:

      The network instability manifested as UDP packet loss between specific server pairs. Currently all servers can contact each other again, and pings are being processed normally. We do not yet know what was causing the packet loss.

      Đang xác minh:

      Hetzner has posted an incident report about a core router  fault. The incident start time (23:05 UTC) lines up precisely with the moment we started seeing packet loss, so this is most likely the cause of the packet loss.


      Đã giải quyết:

      The issue is resolved.
    2. Thời lượng: -
      We will be upgrading HAProxy on our load balancer servers on Tuesday, January 6, 2026. Planned changes:

      * Upgrade HAProxy to version 3.2
      * Update the list of accepted SSL/TLS ciphers from a hand-picked list to HAProxy defaults
      * Later in the week, gradually enable HTTP/3. 

      These changes should not affect the vast majority  clients, but could in theory cause connection issues for very old legacy clients. If you notice persistent ping request failures starting from January 6, please let us know.

  3. Tháng 12, 2025

    Tất cả các hệ thống đang hoạt động.