This incident has been resolved.
Jun 9, 14:58 PDT
Error rate has dropped to almost, but not completely, zero.
Jun 9, 14:32 PDT
We are still seeing some sporadic failures to resolve Salesforce hostnames.
Jun 9, 13:25 PDT
Errors remain significantly reduced from earlier but are still present.
Jun 9, 11:06 PDT
We are seeing recovery in our logs.
Jun 9, 09:34 PDT
This seems to be a problem with Salesforce DNS resolution, somewhat specific geographically to Eastern US (where our US data cetnters are).
Jun 9, 09:05 PDT
There seems to be a problem accessing Salesforce domains. We are continuing to investigate.
Jun 9, 08:32 PDT
We are currently investigating this issue.
Jun 9, 08:18 PDT