We've received a report of an issue with Google App Engine.

[Google Cloud Platform Status]

Description: Rollback of the potential fix to mitigate the issue is in
progress and has passed 50% completion - we expect all affected customers
to be mitigated within 1.5 hours. We will provide another status update by
Tuesday, 2019-09-03 11:30 US/Pacific with current details.

Diagnosis: DNS lookup failures across applications

Workaround: None needed - mitigation is in progress

[Google Cloud Platform Status]

Description: The rollback is still in progress (65% complete). We expect it
to complete within the next hour. We will provide another status update by
Tuesday, 2019-09-03 12:30 US/Pacific with current details.

[Google Cloud Platform Status]

Description: The rollback has completed successfully.

The issue with Google App Engine experiencing DNS lookup failures should be
resolved for the majority of projects and we expect a full resolution in
the near future. We are continuing to monitor the situation before
declaring the all-clear.

We will provide another status update by Tuesday, 2019-09-03 13:15

[Google Cloud Platform Status]

Description: The issue with Google App Engine experiencing DNS lookup
failures should be resolved for the majority of projects as of 12:21
US/Pacific and we are continuing to monitor the situation in case of
recurrence.

We will provide another status update by Tuesday, 2019-09-03 14:15

[Google Cloud Platform Status]

The Google App Engine issue is believed to have been resolved as of 12:21
US/Pacific for all affected projects.

If you have questions or are still impacted, please open a case with the
Support Team and we will work with you until this issue is resolved.

No further updates will be provided here.