Outbound message delivery is delayed/slow for some SparkPost and SparkPost Enterprise customers (US hosted only)

Incident Report for SparkPost

Resolved

This incident has been resolved.

Posted Jul 06, 2022 - 19:54 EDT

Monitoring

There is an upstream DNS issue that we are currently monitoring. This issue is resulting in some domains failing to get a DNS lookup. Delivery for these domains will be delayed. All major domains are working without incident.

Posted Jul 06, 2022 - 15:00 EDT

Investigating

We are investigating an increase in delivery latency for some outbound messages as a result of DNS lookup issues. (NOTE: This does not impact our customers hosted in the EU.)

Posted Jul 06, 2022 - 13:22 EDT

This incident affected: SMTP Delivery (Outbound Message Delivery) (SMTP Delivery - USA).