For added clarity, many official installation guides from Alarm.com and Brinks Home list this same address. It is a legitimate part of the setup process and is not a scam.
Complete Guide to Setting Up the ADC-V723 Using http://v723install.com Troubleshooting and Preparation
If you are not installing an ADC-V723 camera and encounter this domain:
Your login credentials for the Alarm.com Customer Platform or the provider app (e.g., ADT, Brinks, or TELUS SmartHome). Phase 2: Connecting via AP Mode ( http://v723install )
, its AC power adapter, and your smartphone or laptop close to your home Wi-Fi router.