Outage in Resend
Custom tracking domains failing to provision for new customers
Resolved Minor
May 06, 2026 - Started 10 days ago
- Lasted about 1 hour
Incident Report
Summary AI Generated
Resend experienced a 51-minute outage where new customers were unable to create custom tracking domains due to an upstream infrastructure limit. Existing tracking domains and email sending functionality remained unaffected throughout the incident. The issue was resolved by working with the infrastructure provider, and failed provisioning requests from the outage window were being replayed.
Since 09:45 UTC on May 5, 2026, new customers are unable to create custom tracking domains. Existing tracking domains and email sending are not affected.
We've identified the cause as an upstream infrastructure limit and are working with our provider to resolve it.
Trusted by 1,000+ teams
Never miss outages in third-party dependencies
Stop finding out about outages from your users. Monitor 6,320+ cloud services and get alerted the second something breaks.
Latest Updates ( sorted recent to last )
MONITORING
10 days ago - at 05/06/2026 10:22AM
Issue identified and resolved for new requests.
New customers can now create custom tracking domains again. We're replaying the failed provisioning requests from the outage window. This may take some time to fully process.
INVESTIGATING
10 days ago - at 05/06/2026 09:57AM
Since 09:45 UTC on May 5, 2026, new customers are unable to create custom tracking domains. Existing tracking domains and email sending are not affected.
We've identified the cause as an upstream infrastructure limit and are working with our provider to resolve it.
Latest Resend outages
Email Events Displaying Queued - 17 days ago
Email Events Displaying Queued - 18 days ago
Email events delayed - 21 days ago
Increased latency for broadcast sending and domain verification - about 1 month ago
Email sending error - about 1 month ago
Never miss outages in third-party dependencies
With IsDown, you can monitor all your critical services' official status pages from one centralized dashboard and receive instant alerts the moment an outage is detected. Say goodbye to constantly checking multiple sites for updates and stay ahead of outages with IsDown.
Start free trialNo credit card required · Cancel anytime · 6320 services available
Integrations with
