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Degraded

DNS servers flooded with MX records, causing DNS query timeouts

Dec 03 at 02:10pm EST
Affected services
Sandboxes

Resolved
Dec 03 at 02:50pm EST

DNS query latencies have recovered, per our internal synthetic monitoring.

We apologies for this disruption. Please contact us for further details.

Created
Dec 03 at 02:10pm EST

At 19:10 UTC today our DNS server system which is used by Sandboxes took on a flood of (invalid) MX traffic.

By 19:50, we'd scaled up our DNS servers and the MX traffic spike plateaued, allowing DNS query latencies to recover.