Scam Website
This site is classified as Scam Website based on multiple risk signals, including 1 blacklist detections, no established public user-review history, and heuristic security signals. These risks are driven by active warning signals despite the site's longer domain history.
How we scored jhkf.z21.web.core.windows.net
On-page mentions:
Electronics, Science
Tech signals:
Corporate Registration
Negative signals:
security-provider warnings
a malware or phishing blacklist detection (1)
heuristic signals associated with scam
automated caution checks
limited independent reputation data
Positive signals:
a long-term domain history (31.2 years)
an active SSL certificate (3 months)
Last checked October 23, 2026 at 12:53 PM by
Gridinsoft Trust Model v2.5.8
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What is Jhkf.z21.web.core.windows?
Jhkf.z21.web.core.windows.net is in our scam category. This label is used for domains linked to deceptive offers, non-fulfillment after payment, or data collection under false pretenses.
What users usually see: copied branding, fake trust badges, edited reviews, and checkout pressure (timers, "last items", "verify payment"). These signals are easy to fake and should not be treated as proof of legitimacy.
Safety step: do not send documents, card photos, or wallet transfers. If a payment was already made, contact your bank/provider immediately and preserve receipts, URLs, and message screenshots.
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Gridinsoft blocks this website because it was classified as scam website.
jhkf.z21.web.core.windows.net should not be treated as a safe website. Gridinsoft gives it a 20/100 trust score, and publicly displayed security sources report 1 warning(s). Avoid entering passwords, personal details, or payment data.
What are the risks of jhkf.z21.web.core.windows.net?
This website shows multiple red flags commonly associated with scam websites.
Why is jhkf.z21.web.core.windows.net marked "Scam Website"?
Gridinsoft evaluates jhkf.z21.web.core.windows.net, focusing on limited website popularity, suspicious content indicators (Blacklisted by Security Providers, Heuristic - Scam, Heuristic Risk), hosting technology and infrastructure, SSL certificate status, website reputation across multiple databases, customer reviews from various independent platforms. We weigh these indicators to calculate the trust score.
Note: Automated systems are not perfect — while the evidence suggests risk, there is still a chance the site is legitimate. We recommend you check the website using detailed analysis or by contacting the company directly through verified channels.
A structured view of the site's detected themes, page signals, and related online footprint elements.
Electronics
Science
Google Tag Manager
This website uses Google Tag Manager to add and update tracking tags on its website.
Blacklisted by Security Providers
Security intelligence signal: A security-provider signal contributes to the automated assessment of jhkf.z21.web.core.windows.net. Publicly displayable provider verdicts, when available, are reported separately; some source details may be restricted by license.
Heuristic - Scam
Heuristic Risk
Established Domain
windows.net has maintained active domain presence over time, indicating operational continuity.
Corporate Registration
The domain windows.net is registered through a corporate-focused registrar, MarkMonitor Inc., commonly used by established organizations for managed domain protection and portfolio control.
External provider warnings: 1/25 Scam Website
This section shows what independent external security sources say about this site.
A warning appears when one or more sources report malware, phishing, abuse, or other safety concerns. Each row shows the source and its verdict.
If no source reports a warning, the site is shown as clear in this section.
Fortinet
Phishing
External provider results for Jhkf.z21.web.core.windows.net, last checked October 16, 2026.
— VirusTotal
Domain Information
CreatedAugust 10, 1995 at 4:00 AMUpdated: February 25, 2026 at 6:51 PM · Expires: June 4, 2027 at 4:06 PM
Hosting ProviderMicrosoft CorporationSan Antonio, Texas, US
NetworkAS8075 - Microsoft CorporationHosting
SSL CertificateMicrosoft TLS G2 RSA CA OCSP 16TLSv1.3 · Valid for: 3 months · from September 18, 2026 at 12:07 AM · to December 26, 2026 at 11:07 PM
Name Serversns1-39.azure-dns.com ns2-39.azure-dns.net ns3-39.azure-dns.org ns4-39.azure-dns.info
Content from the analyzed website
Quoted for security analysis. These statements belong to the source website and are not endorsed by Gridinsoft.
Original page titleNew Tab
Original descriptionA free K-12 practice site covering math, language arts, science, social studies and Spanish. Thousands of skill-based questions with instant feedback, progress tracking and awards keep students motivated as they work ...
Scammers have devised new ways to deceive users, and what was relevant ten years ago may not be applicable today. In this post, we have compiled the most current types of online scams.
If you own Jhkf.z21.web.core.windows.net and want to challenge the trust score, please submit a review request via portal.gridinsoft.com. There you can claim your profile and add verified company/contact details. If you cannot access the portal, email legal(at)gridinsoft.com with proof of legitimacy and contact details. We never charge website owners for reviews or reconsideration requests. For more information, please review our Disclaimer.
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Help protect others by sharing this page on social media! The more people who know about jhkf.z21.web.core.windows.net, the fewer chances they have to deceive someone else. Help others evaluate jhkf.z21.web.core.windows.net by sharing this page on social media!