app-arbitrum[.]xyz

The domain app-arbitrum.xyz was registered on May 09, 2026 through Dynadot LLC and is delegated to the Cloudflare authoritative nameservers malcolm.ns.cloudflare.com and raquel.ns.cloudflare.com. An automatically issued Let’s Encrypt certificate (E7) secures the site, which currently returns an HTTP 403 response for all requests. The threat profile is marked as high risk and the domain remains active as of the report date.

Infrastructure analysis shows that DNS resolution points to the IP address 188.114.96.3, an address owned by Cloudflare, Inc. and geolocated to Canada. This IP is listed on three independent security blocklists, confirming that it has been identified by multiple defensive sources. The domain also appears in one AlienVault OTX pulse, adding further intelligence corroboration of malicious activity.

Behavioral indicators reveal a clear brand‑impersonation attempt targeting the Arbitrum ecosystem. VirusTotal scans have recorded four malicious detections out of ninety‑five scanning engines, and Gridinsoft assigns a trust score of zero out of one hundred, indicating an absence of legitimate reputation. The domain is actively listed on several blocklists, reinforcing the assessment that it is being used for malicious purposes.

Defenders should block network traffic to both the domain name and its resolved IP address, and incorporate the domain into URL filtering policies. Continuous monitoring of DNS records, certificate renewal, and any changes to the hosting infrastructure is recommended, as threat actors may shift resources. Organizations that interact with the Arbitrum brand should educate users to verify URLs and avoid providing credentials to sites that mimic official Arbitrum services.