aiarb[.]app

The domain aiarb.app was registered through Tucows Domains Inc on May 19, 2026 and remains active. It is identified as a generic phishing site and carries a high‑risk rating. The web server issues an HTTP 301 redirect and the page title is reported as “AIArb”, a name that likely aims to exploit interest in artificial‑intelligence services.

Infrastructure analysis reveals that aiarb.app resolves to the IP address 172.67.220.242, which is hosted by Cloudflare in Canada. The site employs a Let’s Encrypt certificate (issuer E7) and presents a valid HTTPS endpoint, a pattern frequently used by malicious operators to gain legitimacy and to hide the true origin of the content behind a reputable content‑delivery network.

Threat intelligence indicates that the domain appears on three separate security blocklists and has been assigned a Gridinsoft trust score of 0 out of 100. One of ninety‑five security vendors that examined the domain flagged it as malicious, reinforcing the high‑risk assessment provided by the intelligence feed. These concrete indicators collectively demonstrate a strong malicious reputation despite the limited public visibility of the payload.

Defenders should immediately block aiarb.app at both DNS and network firewalls, and consider sinkholing the associated Cloudflare IP address to prevent further client connections. Continuous monitoring of TLS traffic for the domain’s certificate fingerprint can provide early detection of attempts to reach the site. Security teams are advised to add the domain to URL filtering lists, watch for newly created domains that share the same registration pattern, and reinforce user awareness that unsolicited messages referencing “AIArb” are likely fraudulent.