Analysis of macjsiy.us.cc indicates a high-risk phishing domain targeting login credentials. The domain was registered on April 7, 2006, through Gname.com Pte. Ltd. and remains active as of July 31, 2026. Infrastructure analysis reveals the domain resolves to IP address 43.133.41.74 and uses nameservers a.rsp-dns.com, b.rsp-dns.com, ns1.domainnamens.com, and ns2.domainnamens.com.
Four out of 91 security vendors on VirusTotal flag this domain as malicious, and it appears on one security blocklist, including PhishDestroy. No specific brand impersonation or phishing kit details are currently confirmed, and the exact content of the site has not been analyzed. Defenders should treat this domain as actively hostile.
Recommended actions include blocking the domain and its resolving IP at network perimeter controls, updating endpoint protection signatures, and monitoring for connections to the listed nameservers or IP. Given the domain's age and continued activity, security teams should prioritize investigation of any internal traffic to macjsiy.us.cc, particularly from systems that handle authentication credentials.