DNS Resolver Issues on Cloud Agents in China
Monitoring - We applied configuration changes that fixed the issue and are monitoring the situation
May 30, 2026 - 13:39 UTC
Identified - We are currently experiencing DNS resolution issues on Cloud Agents across China, specifically affecting Alibaba Cloud Public DNS.
We are working on a resolution
May 30, 2026 - 12:10 UTC
Uptime over the past 90 days. View historical uptime.
Agent Configuration and Data Collection Operational
90 days ago
100.0 % uptime
Today
Cloud and Enterprise Agents: Registration controller Operational
90 days ago
100.0 % uptime
Today
Cloud and Enterprise Agents: Test assignment and configuration controller Operational
90 days ago
100.0 % uptime
Today
Cloud and Enterprise Agents: Data ingress Operational
90 days ago
100.0 % uptime
Today
Endpoint Agents: Test assignment and configuration controller Operational
90 days ago
100.0 % uptime
Today
Endpoint Agents: Data submission collector Operational
90 days ago
100.0 % uptime
Today
Connected Devices Agent Registration Operational
90 days ago
100.0 % uptime
Today
Connected Devices Test Assignment Operational
90 days ago
100.0 % uptime
Today
ThousandEyes Platform and API Operational
90 days ago
99.99 % uptime
Today
Platform Availability Operational
90 days ago
100.0 % uptime
Today
API Availability Operational
90 days ago
100.0 % uptime
Today
Test data availability Operational
90 days ago
100.0 % uptime
Today
Reports and Dashboards Operational
90 days ago
100.0 % uptime
Today
Snapshots and Share Links Operational
90 days ago
100.0 % uptime
Today
SAML/SSO Operational
90 days ago
99.98 % uptime
Today
Configuration and Management Operational
90 days ago
100.0 % uptime
Today
Embedded Widgets Operational
90 days ago
100.0 % uptime
Today
Customer Success Chat Operational
90 days ago
100.0 % uptime
Today
Devices Operational
90 days ago
100.0 % uptime
Today
Usage and Billing Operational
Event Detection Operational
90 days ago
100.0 % uptime
Today
Endpoint Agent Views Operational
90 days ago
100.0 % uptime
Today
Outages Page Operational
90 days ago
100.0 % uptime
Today
Alerts and Notifications Operational
90 days ago
100.0 % uptime
Today
Alert processing Operational
90 days ago
100.0 % uptime
Today
Notification dispatching Operational
90 days ago
100.0 % uptime
Today
Webhook and Integrations Operational
90 days ago
100.0 % uptime
Today
Email notifications Operational
90 days ago
100.0 % uptime
Today
Internet Insights collection and processing Operational
90 days ago
100.0 % uptime
Today
Cloud Insights Operational
90 days ago
100.0 % uptime
Today
Traffic Insights Operational
90 days ago
100.0 % uptime
Today
BGP Operational
90 days ago
100.0 % uptime
Today
Public BGP collection and processing Operational
90 days ago
100.0 % uptime
Today
Private BGP Collection & Processing Operational
90 days ago
100.0 % uptime
Today
Agent Repositories and Downloads Operational
90 days ago
100.0 % uptime
Today
Ubuntu repository Operational
90 days ago
100.0 % uptime
Today
RHEL / CentOS repository Operational
90 days ago
100.0 % uptime
Today
Appliance downloads Operational
90 days ago
100.0 % uptime
Today
Custom Appliance Downloads Operational
90 days ago
100.0 % uptime
Today
Endpoint Agent downloads Operational
90 days ago
100.0 % uptime
Today
Cloud Agents: Americas Operational
Data Centers: AMER Operational
Broadband Providers: AMER Operational
Mobile Providers: AMER Operational
Azure: AMER Operational
AWS: AMER Operational
Google Cloud: AMER Operational
Alibaba Cloud: AMER Operational
Cloud Agents: Europe, Middle East and Africa Operational
Data Centers: EMEA Operational
Azure: EMEA Operational
AWS: EMEA Operational
Google Cloud: EMEA Operational
Alibaba Cloud: EMEA Operational
Cloud Agents: Asia Pacific Operational
Data Centers: APAC Operational
Azure: APAC Operational
AWS: APAC Operational
Google Cloud: APAC Operational
Alibaba Cloud: APAC Operational
ThousandEyes' corporate website Operational
90 days ago
100.0 % uptime
Today
ThousandEyes corporate website Operational
90 days ago
100.0 % uptime
Today
Internet Outages Map Operational
90 days ago
100.0 % uptime
Today
ThousandEyes for OpenTelemetry Operational
90 days ago
100.0 % uptime
Today
Connected Devices (Formerly SamKnows) Operational
90 days ago
99.99 % uptime
Today
AI Assistant Operational
90 days ago
100.0 % uptime
Today
Operational
Degraded Performance
Partial Outage
Major Outage
Maintenance
Major outage
Partial outage
No downtime recorded on this day.
No data exists for this day.
had a major outage.
had a partial outage.

No incidents or maintenance related to this downtime.

Scheduled Maintenance

Network Maintenance in Beijing, China (China Unicom) Jun 1, 2026 06:00-10:00 UTC

Description: Network Maintenance

Impact: Possible missing test rounds, destination unreachable, high loss/latency/jitter

Start time: 2026-06-01 06:00:00 UTC
End time: 2026-06-01 10:00:00 UTC

Affected Cloud Agents:
Beijing, China (China Unicom)
Posted on May 26, 2026 - 13:37 UTC

Maintenance in Brno, Czech Republic Jun 2, 2026 03:00-04:00 UTC

Network maintenance for cloud agent Brno, Czech Republic.

Start time: 2026-06-02 03:00 UTC

End time: 2026-06-02 04:00 UTC

Affected Cloud Agents:

Brno, Czech Republic

Brno, Czech Republic - IPv6

Impact: Possible missing test rounds, destination unreachable, high loss/latency/jitter

Workaround: None

ThousandEyes Support is available 24/7. If you need assistance or have any questions, feel free to send an email to support@thousandeyes.com or opening a live chat session to speak with an engineer from within app.thousandeyes.com.
Posted on May 25, 2026 - 18:41 UTC

Network Maintenance in Ashburn, VA (Comcast) Jun 3, 2026 05:00-10:00 UTC

Description: Network Maintenance

Impact: Possible missing test rounds, destination unreachable, high loss/latency/jitter

Start time: 2026-06-03 05:00:00 UTC
End time: 2026-06-03 10:00:00 UTC

Affected Cloud Agents:
Ashburn, VA (Comcast)
Posted on May 26, 2026 - 13:40 UTC

Network Maintenance in Barcelona, Spain (Telefonica) Jun 3, 2026 23:00 - Jun 4, 2026 05:00 UTC

Description:

Network Maintenance

Start time: 2026-06-03 23:00:00 UTC
End time: 2026-06-04 05:00:00 UTC

Affected Cloud Agents:

Barcelona, Spain (Telefonica)

Impact:

Possible missing test rounds, destination unreachable, high loss/latency/jitter

Workaround:

None

ThousandEyes support is available to be of assistance 24 hours a day. Please open a chat from within app.thousandeyes.com to speak with a support engineer or send an email to support@thousandeyes.com if you have any questions
Posted on May 27, 2026 - 16:58 UTC

Network Maintenance in Irvine, CA (CenturyLink) Jun 4, 2026 07:00-13:00 UTC

Description: Network Maintenance

Impact: Possible missing test rounds, destination unreachable, high loss/latency/jitter

Start time: 2026-06-04 07:00:00 UTC
End time: 2026-06-04 13:00:00 UTC

Affected Cloud Agents:
Irvine, CA (CenturyLink)
Posted on May 26, 2026 - 13:39 UTC

Network Maintenance in Irvine, CA (CenturyLink) Jun 5, 2026 07:00-13:00 UTC

Description: Network Maintenance
Impact: Possible missing test rounds, destination unreachable, high loss/latency/jitter
Start time: 2026-06-05 07:00:00 UTC
End time: 2026-06-05 13:00:00 UTC
Affected Cloud Agents:

Irvine, CA (CenturyLink)

Irvine, CA - IPv6 (CenturyLink)
Posted on May 13, 2026 - 08:30 UTC

IP replacement on Indianapolis, IN Jun 9, 2026 12:00-23:45 UTC

Description The Cloud Agents Operations Team will change the addresses of the Cloud Agent in the continued effort to improve quality of service. The current IP address space won't be used after the maintenance.

Start Time: 2026-06-09 12:00 UTC
End Time: 2026-06-09 23:45 UTC

New IP addresses spaces:
64.255.249.64/26
2607:f4d0:800:2::/64

Impact: Possible missing test rounds, destination unreachable, high loss/latency/jitter

Workaround: None
Posted on May 21, 2026 - 14:55 UTC

Network Maintenance in Vancouver, Canada (Rogers) Jun 16, 2026 04:00-10:00 UTC

Description: Network Maintenance
Impact: Possible missing test rounds, destination unreachable, high loss/latency/jitter
Start time: 2026-06-16 04:00:00 UTC
End time: 2026-06-16 10:00:00 UTC
Affected Cloud Agents:

Vancouver, Canada (Rogers)

Vancouver, Canada - IPv6 (Rogers)
Posted on May 13, 2026 - 08:27 UTC

Network Maintenance in New Delhi, India (Vodafone) Jun 19, 2026 18:30-23:30 UTC

Description:

Network Maintenance


Start time: 2026-06-19 18:30:00 UTC
End time: 2026-06-19 23:30:00 UTC


Affected Cloud Agents:

New Delhi, India (Vodafone)

Impact:
Possible missing test rounds, destination unreachable, high loss/latency/jitter


Workaround:None

ThousandEyes support is available to be of assistance 24 hours a day. Please open a chat from within app.thousandeyes.com to speak with a support engineer or send an email to support@thousandeyes.com if you have any questions
Posted on May 27, 2026 - 16:51 UTC
May 30, 2026

Unresolved incident: DNS Resolver Issues on Cloud Agents in China.

May 29, 2026

No incidents reported.

May 28, 2026
IP replacement in Hong Kong (Trial)
Completed - The scheduled maintenance has been completed.
May 28, 18:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
May 28, 13:00 UTC
Scheduled - Description
The Cloud Agents Operations Team will change the addresses of this Trial Cloud Agent in the continued effort to improve quality of service. The current IP addresses won't be used after the maintenance.

Start Time: 2026-05-28 13:00 UTC
End Time: 2026-05-28 18:00 UTC

New IP addresses on Hong Kong (Trial):

79.127.228.160/27

Impact: Possible missing test rounds, destination unreachable, high loss/latency/jitter

Workaround: None
May 21, 14:47 UTC
May 27, 2026

No incidents reported.

May 26, 2026
Emergency IP replacement Mexico City, Mexico (Total Play)
Completed - The scheduled maintenance has been completed.
May 26, 21:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
May 26, 13:00 UTC
Scheduled - Description

The Cloud Agents Operations Team will change the addresses of the Cloud Agent in the continued effort to improve quality of service. The current IP address space won't be used after the maintenance.

When: 2026-05-26 from 13:00 to 21:00 UTC

Impact: Possible missing test rounds, destination unreachable, high loss/latency/jitter

The new IPv4 address space is:

158.173.105.0/24

The IPv6 address space stays the same:

2806:2f0:a6ae::/56
May 25, 14:12 UTC
Maintenance window for Usage and Billing service in all regions
Completed - This Maintenance Window has been cancelled
May 26, 18:01 UTC
Scheduled - Description:

The ThousandEyes team will perform maintenance on the Usage & Billing services from 20:00 to 21:00 UTC on 2026-05-26 across all ThousandEyes regions (US1, US2, EU1, FedRAMP)


Start time: 2026-05-26 20:30:00 UTC
End time: 2026-05-26 21:30:00 UTC


Anticipated Impact:

Usage & Billing services may be unavailable for 15-30 minutes in each region during this window.


The following use cases will be affected:

-Network & App Synthetics: Test creation, modification, and deletion.

-Network & App Synthetics: Test projection.

-Endpoint Experience: Enabling agents via the web application or API, auto-decommissioning jobs, agent registration, transfer, and enablement.

-Analytics: Delayed usage reporting.

-Cloud Insights / Traffic Insights / Connected Devices: Usage reporting and projection.

-Internet Insights: Users cannot add or remove package selections and may see incorrect license counts.

-Routing: Bulk API projection, test creation/projection, quotas, BGP easy onboarding.

-Usage & Billing page: Usage data, usage breakdown (by test, account group, test type), and quota features.

-API endpoint: All usage-related APIs



Workaround:None

ThousandEyes support is available to be of assistance 24 hours a day. Please open a chat from within app.thousandeyes.com to speak with a support engineer or send an email to support@thousandeyes.com if you have any questions
May 21, 23:13 UTC
May 25, 2026

No incidents reported.

May 24, 2026

No incidents reported.

May 23, 2026

No incidents reported.

May 22, 2026
Network Maintenance in Chicago, IL (Charter)
Completed - The scheduled maintenance has been completed.
May 22, 11:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
May 22, 05:00 UTC
Scheduled - Description: Network Maintenance
Impact: Possible missing test rounds, destination unreachable, high loss/latency/jitter
Start time: 2026-05-22 05:00:00 UTC
End time: 2026-05-22 11:00:00 UTC
Affected Cloud Agents:

Chicago, IL (Charter)

Chicago, IL - IPv6 (Charter)
May 5, 08:51 UTC
May 21, 2026
Network Maintenance in Chicago, IL (Charter)
Completed - The scheduled maintenance has been completed.
May 21, 11:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
May 21, 05:00 UTC
Scheduled - Description: Network Maintenance
Impact: Possible missing test rounds, destination unreachable, high loss/latency/jitter
Start time: 2026-05-21 05:00:00 UTC
End time: 2026-05-21 11:00:00 UTC
Affected Cloud Agents:

Chicago, IL (Charter)

Chicago, IL - IPv6 (Charter)
May 7, 13:54 UTC
May 20, 2026
Network Maintenance in Eindhoven, Netherlands (KPN)
Completed - The scheduled maintenance has been completed.
May 20, 19:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
May 20, 18:00 UTC
Scheduled - Start time: 2026-05-20 18:00:00 UTC
End time: 2026-05-20 19:00:00 UTC

Impact:
Possible missing test rounds, destination unreachable, high loss/latency/jitter

Affected Cloud Agents:
- Eindhoven, Netherlands (KPN)
- Eindhoven, Netherlands - IPv6 (KPN)

Description
We will be undergoing scheduled maintenance on the affected cloud agents. Issues should resolve automatically once maintenance is completed.

Workaround: None

ThousandEyes Support is available 24/7. If you need assistance or have any questions, don't hesitate to contact us via email at support@thousandeyes.com or opening a live chat session to speak with an engineer from within app.thousandeyes.com.
May 6, 14:36 UTC
Maintenance in Austin, TX
Completed - The scheduled maintenance has been completed.
May 20, 10:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
May 20, 05:01 UTC
Scheduled - Description:

Provider is doing general datacenter maintenance.


Start time: 2026/05/20 05:00 UTC
End time: 2026/05/20 10:00 UTC

Affected Cloud Agents:

Austin, TX
Austin, TX - IPv6

Impact:
Possible missing test rounds, destination unreachable, high loss/latency/jitter


Workaround:None

ThousandEyes support is available to be of assistance 24 hours a day. Please open a chat from within app.thousandeyes.com to speak with a support engineer or send an email to support@thousandeyes.com if you have any questions
May 14, 18:34 UTC
Emergency Network Maintenance in Washington, DC
Completed - The scheduled maintenance has been completed.
May 20, 09:30 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
May 20, 09:00 UTC
Scheduled - Impact: Possible missing test rounds, destination unreachable, high loss/latency/jitter
Start time: 2026-05-20 09:00:00 UTC
End time: 2026-05-20 09:30:00 UTC
Affected Cloud Agents:

Washington, DC (Zayo)

Washington, DC - IPv6 (Zayo)

Washington, DC

Washington, DC - IPv6

Washington, DC (Comcast)

Washington, DC - IPv6 (Comcast)
May 19, 13:43 UTC
Network Maintenance in Winnipeg, Canada
Completed - The scheduled maintenance has been completed.
May 20, 08:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
May 20, 05:30 UTC
Scheduled - Description: Network Maintenance
Impact: Possible missing test rounds, destination unreachable, high loss/latency/jitter
Start time: 2026-05-20 05:30:00 UTC
End time: 2026-05-20 08:00:00 UTC
Affected Cloud Agents:

Winnipeg, Canada

Winnipeg, Canada - IPv6

Winnipeg, Canada (Bell)

Winnipeg, Canada - IPv6 (Bell)

Winnipeg, Canada (Rogers)

Winnipeg, Canada - IPv6 (Rogers)

Winnipeg, Canada (Telus)

Winnipeg, Canada - IPv6 (Telus)
Mar 24, 15:16 UTC
Network Maintenance in Barcelona, Spain (Telefónica)
Completed - The scheduled maintenance has been completed.
May 20, 05:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
May 19, 23:00 UTC
Scheduled - Description: Network Maintenance
Impact: Possible missing test rounds, destination unreachable, high loss/latency/jitter
Start time: 2026-05-19 23:00:01 UTC
End time: 2026-05-20 05:00:01 UTC
Affected Cloud Agents:

Barcelona, Spain (Telefónica)

Barcelona, Spain - IPv6 (Telefónica)
May 8, 09:11 UTC
May 19, 2026
Service Degradation affecting Endpoint Experience Scheduled Tests in US1 Region
Resolved - The incident has been resolved
May 19, 08:47 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
May 13, 21:19 UTC
Identified - Summary:
We have identified an issue causing delays when assigning or modifying Endpoint Experience Scheduled Tests in the US1 Region, beginning at 15:00 UTC on May 13, 2026.

Impact:
Customers may experience delays when creating or modifying Endpoint Experience Scheduled Tests, the endpoint agents may experience delays in receiving updated test schedules.

Status:
Our engineering team is actively investigating the root cause and working toward a resolution.

ThousandEyes support is available 24 hours a day. Please open a chat from within app.thousandeyes.com to speak with a support engineer, or email support@thousandeyes.com if you have any questions.
May 13, 16:58 UTC
Network Maintenance in Antwerp, Belgium (Telenet Belgacom)
Completed - The scheduled maintenance has been completed.
May 19, 05:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
May 18, 23:00 UTC
Scheduled - Description: Network Maintenance
Impact: Possible missing test rounds, destination unreachable, high loss/latency/jitter
Start time: 2026-05-18 23:00:00 UTC
End time: 2026-05-19 05:00:00 UTC
Affected Cloud Agents:

Antwerp, Belgium (Telenet Belgacom)

Antwerp, Belgium - IPv6 (Telenet Belgacom)
May 5, 08:53 UTC
May 18, 2026
May 17, 2026
Network Maintenance in Chennai, India (Vodafone)
Completed - The scheduled maintenance has been completed.
May 17, 00:30 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
May 16, 18:30 UTC
Scheduled - Description:

Network Maintenance


Start time: 2026-05-16 18:30:00 UTC
End time: 2026-05-17 00:30:00 UTC


Affected Cloud Agents:

Chennai, India (Vodafone)
Chennai, India - IPv6 (Vodafone)

Impact:
Possible missing test rounds, destination unreachable, high loss/latency/jitter


Workaround:None

ThousandEyes support is available to be of assistance 24 hours a day. Please open a chat from within app.thousandeyes.com to speak with a support engineer or send an email to support@thousandeyes.com if you have any questions
Apr 29, 20:50 UTC
May 16, 2026
Maintenance in New York, NY and New York, NY (Cogent)
Completed - The scheduled maintenance has been completed.
May 16, 10:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
May 16, 04:00 UTC
Scheduled - Description:

The provider is upgrading firmwares on networking devices.

Start time:2026-05-16 04:00 UTC
End time: 2026-05-16 10:00 UTC


Affected Cloud Agents:

New York, NY
New York, NY - IPv6
New York, NY (Cogent)
New York, NY - IPv6 (Cogent)


Impact:
Possible missing test rounds, destination unreachable, high loss/latency/jitter


Workaround:None

ThousandEyes support is available to be of assistance 24 hours a day. Please open a chat from within app.thousandeyes.com to speak with a support engineer or send an email to support@thousandeyes.com if you have any questions
May 14, 18:38 UTC
← Incident History Powered by Atlassian Statuspage
© ThousandEyes | By subscribing to notifications you are agreeing to Atlassian's privacy policy