castro[.]cards

The domain castro.cards was registered on February 23, 2026 through NiceNIC International Group Co., Limited and is currently listed as offline. DNS resolution points to the IP address 188.114.96.3, which belongs to AS13335 Cloudflare, Inc. and is geolocated in the United States. The authoritative nameservers are stanley.ns.cloudflare.com and ligia.ns.cloudflare.com, confirming that the domain is hosted behind Cloudflare’s edge network. An SSL certificate issued by Google Trust Services (WE1) secures the site, and the HTTP response includes HSTS, Cloudflare Browser Insights, Cloudflare, and HTTP/3 headers, indicating use of modern Cloudflare services.

The page title returned by the server is “Just a moment…”, a generic Cloudflare interstitial page rather than site‑specific content. Reputation scoring from Gridinsoft assigns a trust score of 2 out of 100, reflecting a highly suspicious profile. The domain is flagged by PhishDestroy and appears on one external blocklist. VirusTotal analysis shows that three of ninety‑three security vendors have marked the domain as malicious, reinforcing the suspicion that it is being used for credential phishing.

While the exact target brand or credential collection vector is not disclosed in the available data, the classification as “Credential Phishing” suggests an attempt to harvest login details. Defenders should block DNS resolution to 188.114.96.3, add castro.cards to URL filtering and email security policies, and monitor for any outbound traffic that may have interacted with the site before it was taken offline. Continuous observation of related Cloudflare‑hosted infrastructure and periodic re‑scans are recommended to detect any resurgence or re‑use of the domain.