Cisco CES incident

DNS outage

Resolved after 7 hours 34 minutes, on March 19, 2026.

resolved Mar 19, 2026, 07:04 PM UTC

The DNS-related issue affecting Cloud Email Security (CES) services in the Europe region has been fully resolved. All services are operating normally, and system stability has been confirmed. If you have any questions, please contact Cisco TAC: http://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html

Started
Mar 19, 2026, 11:30 AM UTC
Resolved
Mar 19, 2026, 07:04 PM UTC
Duration
7h 34m
Detected by Pingoru
Mar 19, 2026, 11:30 AM UTC

Update timeline

  1. investigating Mar 19, 2026, 11:30 AM UTC

    We are seeing DNS outage in Europe region affecting multiple services on email security appliances. Team is actively working to fix it

  2. investigating Mar 19, 2026, 12:12 PM UTC

    We are continuing to investigate a DNS outage in the Europe region. Progress is ongoing to restore normal operations, and updates will be provided as more information becomes available.

  3. monitoring Mar 19, 2026, 12:24 PM UTC

    The fix has been implemented and we are monitoring the results.

  4. monitoring Mar 19, 2026, 01:33 PM UTC

    All CES services in the Europe region are currently stable. We are continuing to monitor our systems to ensure ongoing performance and reliability. Further updates will be provided as needed. Thank you for your patience and understanding.

  5. resolved Mar 19, 2026, 07:04 PM UTC

    The DNS-related issue affecting Cloud Email Security (CES) services in the Europe region has been fully resolved. All services are operating normally, and system stability has been confirmed. If you have any questions, please contact Cisco TAC: http://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html

Your product runs on more than Cisco CES

Add the vendors you depend on and get one message when any of them reports trouble. Free for 3 vendors, no card.

Add your stack →