Concierge Addon - IO unknown host

Hello,

I am trying to add the concierge addon in my Android Studio, but in this moment i am reciving the next error:

"Failed to fetch URL https://launchpad.motorolasolutions.com/Concierge/addon.xml, reason: IO Unknown Host launchpad.motorolasolutions.com"

In the past i added this addon at Android Studio, but i had to format my computer and i need add it.

Thanks!