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The report categorizes the site with tags like "Untrustworthy," "Risky," and "Danger," citing high-risk activity related to phishing, spamming, and other fraudulent indicators. The site's association with forwarding email domains (spam and anonymity) and its low trust score strongly suggest it is not a safe site to visit or use.
: It is frequently cited in online guides for obtaining free access to paid AI tools (like GLM 5.1 or ChatGPT Business) by providing "valid" card information that satisfies automated payment verification systems without requiring an actual payment. Usage Contexts AI Tool Access : Guides on platforms like
When a stack of payment data is processed, the system segregates results into "Live" (valid parameters) and "Die" (failed parameters) queues. 2. Asynchronous Multithreading chkr cc
The formula checks validation by moving from the rightmost digit (the check digit) toward the left:
Some local courier or food delivery services operate under the Checker brand or use their processing systems. The report categorizes the site with tags like
: The site allows users to input card details to verify if they are "live" or "dead." This typically involves checking the Bank Identification Number (BIN) to identify the issuing bank.
| Category | Details | | :--- | :--- | | | Registered on April 29, 2022, making it approximately 4 years old. | | Registrar | Porkbun LLC. | | Expiration Date | April 29, 2027. | | SSL Certificate | Valid HTTPS connection with an SSL certificate issued by Google Trust Services, expiring on May 30, 2026. | | Hosting Provider | Cloudflare, as indicated by the cloudflare server header and nameservers ( amir.ns.cloudflare.com , may.ns.cloudflare.com ). | | IP Addresses | IPv4: 104.21.36.222 , 172.67.200.4 . | | Global Traffic Rank | ~614,694, with a best ranking of ~547,775 in the last 6 months. | | Primary Function | Offers services as both a credit card validator and a forwarding email domain. | | Access Issues | If the site is unresponsive, checking your internet connection, restarting your router, or contacting your ISP may help. | Usage Contexts AI Tool Access : Guides on
If your business relies on user verification—such as SaaS companies, e-commerce, or financial services—it is important to manage, or even block, forwarding email domains like .
When an enterprise migrates user profile databases from an older legacy CRM to a modern processing stack, engineers use bulk checking to filter out expired, corrupt, or poorly formatted placeholders before shifting sensitive data pipelines. Security, Legality, and Ethical Guidelines