Outage in UltraDNS
UltraDNS - DNS Resolution Advisory
Resolved Minor
April 04, 2026 - Started 15 days ago
- Lasted about 2 hours
Incident Report
Summary AI Generated
UltraDNS experienced a DDoS attack against nameservers in parts of Asia and Europe, causing DNS resolution timeouts for customers in these regions. The attack was progressively mitigated over 1.9 hours, with Europe and most of Asia recovering first, followed by Singapore as the final affected region. The incident was resolved through active mitigation efforts and countermeasures deployed by the engineering teams.
We are experiencing a DDoS against nameservers in parts of Asia and parts of Europe. Customers may see timeouts in these regions. Our teams are actively engaged in mitigating efforts. Further updates will be provided as progress continues.
Components affected
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Latest Updates ( sorted recent to last )
15 days ago - at 04/04/2026 01:15PM
We are experiencing a DDoS against nameservers in parts of Asia and parts of Europe. Customers may see timeouts in these regions. Our teams are actively engaged in mitigating efforts. Further updates will be provided as progress continues.
15 days ago - at 04/04/2026 01:50PM
Our teams have been able to mitigate the attack and our nameservers have recovered in Europe and parts of Asia. The only remaining region still impacted is Singapore. We are still working on fine tuning the mitigation and will provide further updates as progress continues.
15 days ago - at 04/04/2026 02:30PM
Our teams are continuing to fine tune countermeasures in order to mitigate impact on last remaining region in Singapore. Will provide further updates as progress continues
15 days ago - at 04/04/2026 02:49PM
Countermeasures have been updated for the Singapore area and services should be returning to normal at this time. We are continuing to monitor.
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