seren-arch[.]pages[.]dev

Analysis of seren-arch.pages.dev shows a newly registered domain created on February 21, 2026 and immediately associated with credential phishing activity. The domain resolves to the Cloudflare edge address 188.114.96.3 (AS13335, United States) and uses Cloudflare‑managed nameservers gerald.ns.cloudflare.com and grace.ns.cloudflare.com. A Google Trust Services / WE1 SSL certificate is present, indicating a valid TLS handshake, but the page title returned from the host is "Suspected phishing site | Cloudflare," and the HTTP response code is 403, confirming that Cloudflare’s phishing mitigation layer has blocked access.

Reputation metrics are extremely low, with Gridinsoft assigning a score of 0 / 100 and Scamadviser reporting 1 / 100, reinforcing the malicious classification. The domain appears on a single security blocklist and is explicitly listed by PhishDestroy, while VirusTotal records 14 of 95 scanning engines flagging the host as malicious. No additional intelligence such as Safe Browsing or OTX references is available, and the content of the site beyond the block page has not been captured, leaving the exact phishing payload unknown.

Defenders should treat seren-arch.pages.dev as a high‑confidence phishing indicator, enforce network‑level blocking, update intrusion‑detection signatures to include the domain and its IP range, and monitor Cloudflare‑associated subdomains for rapid re‑deployment. Continuous observation of the registrar (Cloudflare, Inc.) and the underlying IP infrastructure is advised, as the hosting environment can be reused for future campaigns.