check-usdt[.]net

The domain check-usdt.net was registered on February 21, 2026 through NiceNIC International Group Co., Limited and is currently taken offline. Infrastructure analysis shows the domain resolves to the IP address 104.21.96.1, which belongs to AS13335 Cloudflare, Inc. in the United States. The authoritative nameservers are arely.ns.cloudflare.com and david.ns.cloudflare.com, confirming Cloudflare hosting. The site presented a page title of "Web3 AML Checker" and is classified as a crypto scam that impersonates the Telegram brand, indicating a brand‑impersonation technique aimed at extracting cryptocurrency or credentials from Telegram users.

VirusTotal reports four detections out of 93 scanning vendors, and the domain is listed on at least one security blocklist, including PhishDestroy, which has already blocked it. Trust‑rating services reflect extreme risk: Scamadviser assigns a score of 1 / 100 and Gridinsoft a score of 0 / 100. No additional public intelligence such as OTX indicators or Safe Browsing entries is available.

Defenders should ensure the IP 104.21.96.1 is blocked or monitored within perimeter defenses, add check-usdt.net to local blacklists, and watch for any future re‑hosting attempts that might reuse the same Cloudflare account or similar page titles. Continuous verification of Cloudflare‑hosted domains linked to the same nameservers is advised, as attackers frequently shift payloads across the provider's network. The combination of brand impersonation, low trust scores, multiple vendor detections, and active blocklist listings warrants an elevated risk rating and immediate remediation actions.