Resolved after 1 hour 45 minutes, affecting Uptime Monitoring, on May 5, 2026.
We've been internally alerted of a higher-than-usual fail rate for our Uptime Monitoring system. The DENIC domain registry is currently having issues, causing most of the .DE domains to not resolve. Our system is currently detecting these uptime monitors as being down, as it should be, since they are not resolving properly. Sources: https://status.denic.de/pages/incident/592577eab611ce1e0d00046f/69fa60ef9d12f5057a974f38 https://news.ycombinator.com/item?id=48027897 https://www.reddit.com/r/de_EDV/s/vh0wekNZ3p This issue is out of our hands, and our system is working as expected. We're posting this here so that our users are informed of what is happening with their .DE uptime monitors. We'll continue to monitor the situation as it progresses.
Affected components
Update timeline
- identified May 05, 2026, 09:26 PM UTC
We've been internally alerted of a higher-than-usual fail rate for our Uptime Monitoring system. The DENIC domain registry is currently having issues, causing most of the .DE domains to not resolve. Our system is currently detecting these uptime monitors as being down, as it should be, since they are not resolving properly. Sources: https://status.denic.de/pages/incident/592577eab611ce1e0d00046f/69fa60ef9d12f5057a974f38 https://news.ycombinator.com/item?id=48027897 https://www.reddit.com/r/de_EDV/s/vh0wekNZ3p This issue is out of our hands, and our system is working as expected. We're posting this here so that our users are informed of what is happening with their .DE uptime monitors. We'll continue to monitor the situation as it progresses.
- resolved May 05, 2026, 11:12 PM UTC
This incident has been resolved.
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