| IP | Windows Service / Application | Purpose | Info Link |
| 52.157.234.37 | Windows
Benutzerdienst für die Plattform für verbundene Geräte Connected Devices Platform Service |
Mail-Abruf, Live-Kacheln, OneDrive-Synchronisierung etc. | https://www.borncity.com/blog/2017/11/17/windows-10-server-2016-cdpusersvc-probleme/ |
| 93.184.220.29 | Mozilla Firefox & Thunderbird | OCSP Cerificate Validation / EdgeCast CDN | https://www.reddit.com/r/firefox/comments/d08m1v/9318422029http_and_server1322513https_why_are/ |