Not Able to open Appian Academy

A Score Level 2
Getting following error while opening the Appian Academy. Looks like the issue certicate has been expired.

This server could not prove that it is academy.appian.com; its security certificate expired yesterday. This may be caused by a misconfiguration or an attacker intercepting your connection. Your computer's clock is currently set to Monday, 12 September 2016. Does that look right? If not, you should correct your system's clock and then refresh this page.

OriginalPostID-234480

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