Based off that message it looks like you received an Azure Monitor alert.
Azure Monitor Alert:
Sev 2 - Warning
Alert Action - Check certifications
Resource - fixdprdsouthcentralusv1
If you're still unsure what this alert means, you can manage all your alerts by going to the All Alerts Page, and search for the specific resource to see the alert details.
Please let me know if that helps with your question.
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