XO Communications, one of our backbone providers is having some DNS related issues which are causing reverse IP lookups to fail, some mail servers will not accept a connection without a reverse ptr record.
They are working on the issue now.
Time: 1AM CST
Estimated Downtime: 15 minutes
Effects Service Areas: MPLS, MN
Effects Service: Colocation, Dedicated Services, VPS, Hosting & Email
Service will be taken offline for several systems due to an upgrade on the core switch
Date & Time Details:
On 09/18/2012 CDT From 2:00AM until 3:00AM