On June 6, 2025, from 02:57 AM to 08:10 AM UTC+8, the ZAN node service experienced partial request failures due to an anomaly in the cloud service provider’s DNS resolution service.
Resolution Our engineering team worked closely with the cloud service provider to address the issue. Here is the detailed timeline:
02:57 AM UTC+8: ZAN monitoring systems detected irregularities in node service requests. 04:04 AM UTC+8: The root cause was identified as a DNS resolution anomaly on the cloud service provider’s side. Emergency resolution procedures were initiated. 08:10 AM UTC+8: The cloud service provider confirmed the issue had been resolved. ZAN engineers verified that node service requests have fully recovered. We sincerely apologize for the inconvenience this may have caused to your operations. Our team remains committed to ensuring the stability and reliability of our services.