Outage in Heroku
Investigating an issue with DNS for New Apps and Domains
Minor
September 16, 2025 - Started about 5 hours ago
Official incident page
Official incident page
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Outage Details
Engineers identified an additional issue with DNS lookup errors for clients connecting from EU region. This impact has been mitigated by the upstream DNS provider.
Heroku continues to track an incident with an upstream DNS provider which is causing delays in provisioning new apps and domains DNS records.
Heroku continues to track an incident with an upstream DNS provider which is causing delays in provisioning new apps and domains DNS records.
Components affected
Heroku AppsLatest Updates ( sorted recent to last )
UPDATE
32 minutes ago - at 09/16/2025 08:45PM
Engineers identified an additional issue with DNS lookup errors for clients connecting from EU region. This impact has been mitigated by the upstream DNS provider.
Heroku continues to track an incident with an upstream DNS provider which is causing delays in provisioning new apps and domains DNS records.
UPDATE
about 1 hour ago - at 09/16/2025 07:53PM
Engineers are investigating new reports of DNS errors for existing apps and domains in the EU region, which are suspected to be related to this incident.
Heroku continues to track an incident with an upstream DNS provider which is causing delays in provisioning new apps and domains DNS records.
UPDATE
about 2 hours ago - at 09/16/2025 07:41PM
Heroku continues to track an incident with an upstream DNS provider which is causing delays in provisioning new apps and domains DNS records. Next update will be made in one hour, or sooner if the situation changes.
UPDATE
about 3 hours ago - at 09/16/2025 06:42PM
Heroku continues to track an incident with an upstream DNS provider which is causing delays in provisioning new apps and domains DNS records. Next update will be made in one hour, or sooner if the situation changes.
UPDATE
about 3 hours ago - at 09/16/2025 06:15PM
Heroku continues to track an incident with an upstream DNS provider which is causing delays in provisioning new apps and domains DNS records.
UPDATE
about 4 hours ago - at 09/16/2025 05:47PM
Heroku continues to track an incident with an upstream DNS provider which is causing delays in provisioning new apps and domains DNS records.
UPDATE
about 4 hours ago - at 09/16/2025 05:18PM
Engineers continue to track an incident with an upstream DNS provider which is causing delays in provisioning new apps and domains DNS records.
UPDATE
about 4 hours ago - at 09/16/2025 04:54PM
Engineers are tracking an incident with an upstream DNS provider which is causing delays in provisioning new apps and domains DNS records.
ISSUE
about 5 hours ago - at 09/16/2025 04:23PM
Engineers have determined that an issue with Heroku's upstream DNS provider is causing delays in provisioning new apps and domains DNS records.
INVESTIGATING
about 5 hours ago - at 09/16/2025 04:19PM
Engineers are investigating an issue, DNS names for new Heroku apps and domains are not reachable.
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