DNS Service Disruption
UIT Alert: DNS Service Disruption
Current Status
Currently no DNS Disruption
Resolution Statement
Actions and Root Causes
There continue to be random delays in DNS response and in some cases DNS resolution. Note that the windows are usually a few minutes, and the attacks are short but effective in duration, and sometime they are frequent and one after another.Since Thursday, we have had to take actions overnight and during the day to prevent DNS interruptions.Corrective and Preventative Measures
Can you log the inbound DNS queries (i.e. on MS DNS), to see where the queries are coming from. Is there any way to check and see if the MX queries to MS DNS servers are initiated from one of the email servers.
Affected Services
- DNS
Event Updates
A security incident with DNS services is causing disrptions for some UH customers. IT Analysts are investigating at this time. There is currently no estimated time to resolution.