-***(Optional, after ESR migration)*** Cloudflare: ask-research@cloudflare.com
-**NOTE** : We need to provide them with updated user agent string so they can update their internal machinery to prevent Tor Browser users from getting so many CAPTCHAs
-***(Optional, after ESR migration)*** Startpage: admin@startpage.com
-**NOTE** : Startpage also needs the updated user-agent string for better experience on their onion service sites.