Dev Dashboard Plugin Login error DEV: "403 Forbidden" on WPEngine

Hi there, my host claims they are not blacklisting you, and yet I am getting this 403 error.

IP: 45.33.66.140
CNAME: sppn.wpengine.com

Could you please take a peak and possibly write a whitelist rule for me?

Thank you very much for your time and consideration,

Cole