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Introduction

Final Verdict

| Aspect | Summary | |--------|---------| | Origin | Android OEMs (Samsung, Xiaomi, etc.) | | Purpose | DNS filtering detection / connectivity probe | | Risk | Low – no direct data leak, but enables fingerprinting | | Action | Safe to block; may cause log spam | | Alternative | Allow but ignore; it provides no user benefit |

When you turn on AdGuard VPN, your device does not simply pick a random server in a country. It performs the following steps:

1. Public AdGuard DNS

This is the free service everyone uses. You set your DNS to 94.140.14.14 or dns.adguard.com. It blocks ads and trackers globally.

Windows Versions: Access to everything from Windows 7 and 8.1 to the latest versions of Windows 10 and 11.

The keyword tb-rg adguard.net refers to the TechBench by WZor project, a popular third-party web interface used to generate direct download links for official Microsoft software.

Legitimate AdGuard DNS IPs (like 94.140.14.14) reverse resolve to dns.adguard.net, not tb-rg. If the reverse matches tb-rg.adguard.net, it’s a real subdomain.