krkr31[.]com

Analysis of the domain krkr31.com reveals infrastructure consistent with phishing activity targeting users through a deceptive Captcha verification page. Registered on February 21, 2026, via NICENIC INTERNATIONAL GROUP CO., LIMITED, the domain currently resolves to the IP address 188.114.97.3, hosted under AS13335 (Cloudflare, Inc.) in the United States. The domain employs Cloudflare nameservers (brodie.ns.cloudflare.com and thea.ns.cloudflare.com), a common tactic to obscure hosting origins and evade takedowns. As of July 24, 2026, the domain returns an HTTP 403 status, indicating access is forbidden, though this may reflect temporary mitigation rather than permanent inactivity.

The page title, 'Captcha,' suggests an attempt to mimic legitimate verification prompts, a technique frequently used to harvest credentials or personal data under the guise of security checks. While the exact brand or service being impersonated remains unconfirmed due to limited visibility into the page content, the use of a generic Captcha theme aligns with phishing campaigns designed to appear innocuous. Detection data from security vendors is sparse but not negligible: three of ninety-three engines on VirusTotal flagged the domain as malicious, and it appears on at least one security blocklist. The absence of an SSL certificate further undermines its legitimacy, as modern phishing sites typically exploit encryption to appear credible.

Defenders should note that the domain has been taken offline, though this status may change. The registration details and hosting provider offer limited attribution, but the use of a high-reputation registrar and Cloudflare infrastructure is consistent with phishing campaigns seeking to blend into legitimate traffic. Organizations are advised to block the domain and its resolving IP (188.114.97.3) at the perimeter, monitor for related domains registered through the same registrar, and alert users to the risks of unsolicited Captcha prompts.