zoinbase[.]co

This report documents the investigation of the domain zoinbase.co, a suspected brand impersonation site targeting Coinbase. The domain was created on March 06, 2026, and is currently offline as of the report date, July 23, 2026. The site's page title, 'Suspected phishing site | Cloudflare,' suggests that the domain was intercepted and flagged by Cloudflare, likely preventing further malicious activity. Infrastructure analysis reveals that zoinbase.co is registered through Spaceship, Inc., and utilizes Cloudflare nameservers (alice.ns.cloudflare.com, kip.ns.cloudflare.com). The domain resolves to the IP address 104.21.35.50, which is located in the United States and is part of Cloudflare, Inc.'s network (AS13335).

The SSL certificate is issued by Let's Encrypt, further indicating a common practice among phishing sites to appear more legitimate. Google Safe Browsing has flagged the domain for social engineering, which aligns with the brand impersonation threat type. The domain appears on three security blocklists, and is blocked by PhishDestroy, MetaMask, and SEAL, emphasizing the high risk associated with this domain. While the domain is offline, it is important for defenders to remain vigilant.

The exact content and structure of the site have not been analyzed, but the available evidence strongly suggests that it was designed to deceive users into believing they were interacting with a legitimate Coinbase service. Defenders should ensure that their systems are updated to block this domain and similar variants, and users should be educated to recognize and report such impersonation attempts. The domain has been flagged by 14 of 94 security vendors on VirusTotal, which indicates a moderate level of consensus among the security community regarding its malicious nature. Despite the domain being offline, continuous monitoring is recommended to detect any potential reactivation or related malicious activities.