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Quantumsharkholdings.com Suspicious Website

February 13, 2026 at 9:38 PM
Suspicious Website
Checked by Website Reputation Checker
Table of Contents
Danger Zone
Risky Territory
Caution Advised
Trusted but Verify
Safe & Secure

Quantumsharkholdings โ†’ Safety Check

First checked February 13, 2026 at 9:38 PM
Website content and technical signals analyzed
Method: automated checks.
Suspicious Website This site is classified as Suspicious Website based on multiple risk signals, including 1 blacklist detections and no established public user-review history.
Trust signal radar Normalized trust signals for quantumsharkholdings.com Domain Maturity: 591 days Domain Maturity Warning Cleanliness: 0 detections Warning Cleanliness Safety Level: 2 negative tags, 1 warning signal Safety Level Positive Signals: 1 positive signals Positive Signals Popularity: Estimated low traffic without Tranco or social profile data Popularity Trust Zone: .com Trust Zone Operational Signals: 0 detected services Operational Signals Location Credibility: Hosting country US Location Credibility
Figure 1. Trust signal radar for quantumsharkholdings.com. Larger shaded area indicates stronger trust signals.

How we scored quantumsharkholdings.com

On-page mentions:
Shopping, Cryptocurrency, Financial Service, Realestate, Forex, Mining Cryptocurrency
Tech signals:
Cloudflare Browser Insights
Positive signals:
  • an active SSL certificate (3 months)
  • multi-language support
  • a domain age of 20 months
Negative signals:
  • security-provider warnings
  • unclear social-profile authenticity
  • limited independent reputation data
Context signals:
  • crypto and financial-service content that requires stronger independent verification
Last checked February 13, 2026 at 9:38 PM by Gridinsoft Trust Model v2.3.7

What is Quantumsharkholdings?

Our system marks Quantumsharkholdings.com as suspicious. The decision is based on a cluster of weak trust signals, not one isolated event.

Examples we frequently observe in this group: ownership data that cannot be verified, support pages with no workable contacts, reused template content, and redirects/scripts that do not match the visible site purpose. Each item alone may be explainable. Together, they increase user risk.

Figure 2. Website screenshot for Quantumsharkholdings.com. 2026-02-13 23:38:00

Recommended handling: treat this domain as untrusted. View pages only, avoid sign-in, avoid payments, and do not download files unless the source can be independently confirmed.

This domain was registered 1 year ago through the company Atak Domain Bilgi Teknolojileri A.S. and ownership information is not publicly available.

Is quantumsharkholdings.com safe?

โ€” Unfortunately, not likely.

๐Ÿšจ Gridinsoft blocks this website because it was classified as suspicious website.

quantumsharkholdings.com has a blacklist warning and a 21/100 trust score. Verify the site identity before use and avoid sending sensitive or payment data.

Why is quantumsharkholdings.com marked "Suspicious Website"?

Gridinsoft evaluates quantumsharkholdings.com, focusing on limited website popularity, suspicious content indicators (Fake Social Media Links - Risk, Blacklisted), 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 โ€” 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.

Quantumsharkholdings Digital Footprints

A structured view of the site's detected themes, page signals, and related online footprint elements.

Shopping

This site shows e-commerce functionality, including product listings, cart flow, and checkout-related elements.

Cryptocurrency

This website references cryptocurrency transactions or educational content related to digital assets such as Bitcoin, Ethereum, or other blockchain-based currencies.

Financial Service

quantumsharkholdings.com presents financial-service content, such as investment, brokerage, advisory, or wealth-management offerings.

Registration Form

This website implements data collection forms that may request personal information including names, email addresses, phone numbers, or other sensitive details. You should verify its legitimacy and review privacy policies before submitting personal data.

Realestate
Forex

This site presents forex-related trading content, such as currency markets, broker services, exchange-rate tools, or leveraged trading features.

Mining Cryptocurrency

The quantumsharkholdings.com probably offers cloud mining services or cryptocurrency mining investments. Some platforms provide legitimate mining rental services, while others may use fake mining dashboards to display virtual earnings that cannot be withdrawn.

Fake Social Media Links - Risk

Analysis reveals that this site displays social media icons or links that do not connect to legitimate social media profiles. This deceptive practice is commonly employed to create false legitimacy and represents a significant indicator of fraudulent intent requiring immediate caution.

Bootstrap Framework

This site uses Bootstrap, a widely-adopted open-source framework for responsive web development. Bootstrap enables efficient creation of mobile-friendly interfaces through standardized components and styling.

Cloudflare Browser Insights

This website is proxied through Cloudflare's CDN/network and has Cloudflare Browser Insights enabled.

jQuery Library
Multilanguage

The website provides multi-language support, demonstrating international accessibility and commitment to diverse user populations. Multi-language implementation typically indicates professional development standards and global operational scope, representing a positive trust indicator.

Blacklisted

Gridinsoft Internet Security classified this site as unsafe. As a VirusTotal partner, our detections contribute to broader protection across tools and browsers.

Color Guide
  • Requires special attention Marks high-risk findings that should be reviewed first.
  • Exercise caution Highlights areas involving user data, payments, or permissions.
  • Positive indicators Shows trust signals that support the site's reliability.
  • Neutral General context that does not increase or reduce risk on its own.

Provider warnings: 1/28 Suspicious Website

This section shows what trusted 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.

Gridinsoft Threat List
Warned
BBB
Clean
BitDefender
Clean
Kaspersky
Clean
ESET
Clean
Sophos
Clean
Google Safebrowsing
Clean
Fortinet
Clean
G-Data
Clean
Webroot
Clean
Dr.Web
Clean
Forcepoint ThreatSeeker
Clean
CyRadar
Clean
Lionic
Clean
Quick Heal
Clean
Phishing Database
Clean
Phishtank
Clean
OpenPhish
Clean
alphaMountain.ai
Clean
Netcraft
Clean
Sucuri SiteCheck
Clean
Criminal IP
Clean
URLhaus
Clean
Emsisoft
Clean
Spam404
Clean
Trustwave
Clean
VX Vault
Clean
Quttera
Clean

Quantumsharkholdings.com blocked? Check the provider verdict report created on January 4, 2026

Domain Information

Created October 21, 2024 at 10:48 AM Updated: October 3, 2025 at 9:53 PM ยท Expires: October 21, 2026 at 10:48 AM
Domain Age 20 months
Registrant US (United States)
Registrar Atak Domain Bilgi Teknolojileri A.S. IANA ID: 1601
Abuse Email [email protected]
Domain Status Ok DNSSEC: UNSIGNED
Top Level Domain .com Generic TLD

Technical Details

IP Address 104.21.13.71
Hosting Provider AS13335 Cloudflare, Inc. San Francisco, California, US
SSL Certificate WE1 QUIC ยท Valid for: 3 months ยท from December 23, 2025 at 10:29 PM ยท to March 23, 2026 at 11:26 PM
Name Servers kristina.ns.cloudflare.com
marvin.ns.cloudflare.com

Content Analysis

Website title Quantum Shark Holdings - Investing, Real Estate, Gold, Forex, Energy, Oil, Start-ups, ICOs and IPOs, Stocks, Crypto Trading, Crypto Mining, Project Investment, Closed-End Funds and ETFs.
Website description Quantum Shark Holdings is an international innovative unique and high-tech Singapore's leading financial management firm with classified expertise with a focus on digital innovation and Technology, Leasing, Forex, Sta...
Available languages
CATALAN
Mentioned hosts (32)
node-ya-9.jivosite.com ka-f.fontawesome.com static.cloudflareinsights.com www.cryptohopper.com www.goldeneaglecoin.com excoino.com linkedin.com widget.coinlib.io coinbase.com cdn.jsdelivr.net cdnjs.cloudflare.com changelly.com fast.wistia.com fonts.googleapis.com plexuscapital.net and 17 more

Security Analysis

Detection Signatures These signatures are used to generate the security fingerprint below.
Shopping Cryptocurrency Financial Service Registration Form Realestate Forex Mining Cryptocurrency Fake Social Media Links - Risk Bootstrap Framework jQuery Library
Security Fingerprint Unique identifier based on site analysis

How to block Quantumsharkholdings.com?

Our Anti-Malware can automatically block access to quantumsharkholdings.com if it is flagged as malicious.

  1. Install and run the protection.
  2. The program will block flagged domains and remove related threats.

Exclusion

If you believe quantumsharkholdings.com is safe, you can add it to the exclusion list:

  1. Open Gridinsoft Anti-Malware โ†’ Tools โ†’ Ignore List.
  2. Go to the Internet tab and add quantumsharkholdings.com.

See detailed instructions for more options.

Are You the Owner?

If you own Quantumsharkholdings.com 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.

Leave a review

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Publication Tip

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- Detailed reviews describing your real-life experience have a much higher chance of being published.
- Your email remains confidential.

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Your score for quantumsharkholdings.com

Similar website

Matched by website fingerprint
21
points /100
The score is based on a 1-100 scale, with 100 being the most reputable.

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