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Z-lib.nl Phishing Report: Is It Safe?

August 9, 2026 at 11:32 AM
Suspicious Website
Checked by Website Reputation Checker
Table of Contents
Danger Zone
Risky Territory
Caution Advised
Trusted but Verify
Safe & Secure

Z-lib โ†’ Safety Check

First checked July 26, 2026 at 6:02 AM
Website content and technical signals analyzed
Method: automated checks.
Suspicious Website Gridinsoft currently classifies this site as Suspicious Website. The report highlights 3 blacklist detections, no established public user-review history, and phishing-related signals. These risks are driven by active warning signals despite the site's longer domain history.
Trust signal radar Normalized trust signals for z-lib.nl Domain Maturity: 1310 days Domain Maturity Warning Cleanliness: 3 detections Warning Cleanliness Safety Level: 3 negative tags, 2 warning signals Safety Level Positive Signals: 1 positive signals Positive Signals Popularity: Tranco rank 2,490,361 Popularity Trust Zone: .nl Trust Zone Operational Signals: 0 detected services Operational Signals Location Credibility: Hosting country US Location Credibility
Figure 1. Trust signal radar for z-lib.nl. Larger shaded area indicates stronger trust signals.

How we scored z-lib.nl

On-page mentions:
Books
Tech signals:
Web Application, Cloudflare Browser Insights
Positive signals:
  • strong independent trust
  • a long-term domain history (3.6 years)
  • an active SSL certificate (3 months)
  • multi-language support
Negative signals:
  • security-provider warnings
  • multiple malware or phishing blacklist detections (3)
  • phishing-style impersonation signals
  • limited independent reputation data
Last checked August 9, 2026 at 11:32 AM by Gridinsoft Trust Model v2.5.1

What is Z-lib?

According to its current page title, z-lib.nl presents itself as โ€œZ-Library Official Homepage - Your Gateway to Knowledgeโ€. The sections below evaluate the site-specific reputation and technical findings.

Figure 2. Website screenshot for Z-lib.nl. 2026-08-09 14:32:21
This domain was registered January 11, 2023 at 10:00 PM through the company NAMECHEAP, INC. and ownership information is not publicly available. Complaint contact not found.

Is z-lib.nl safe?

Use caution with z-lib.nl. Its current Gridinsoft trust score is 21/100; review the site-specific findings below before use.

Why is z-lib.nl marked "Suspicious Website"?

Gridinsoft's current assessment of z-lib.nl is based on phishing indicators and generic page wording. The listed status means the domain currently appears in Gridinsoft's own Threat List; it is not a consensus of external providers. 3 of 25 publicly displayed security sources report a warning. A separate license-restricted partner security signal also contributes to the automated assessment; its provider name and verdict cannot be displayed publicly under the source license.

Z-lib Digital Footprints

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

Books
Registration Form

Automated page analysis detected form or data-entry functionality on z-lib.nl. Forms can involve user-submitted information, so verify ownership and privacy terms before entering data.

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.

Web Application

z-lib.nl is configured as an installable web application (PWA-style behavior) with app-like interaction patterns.

Google Tag Manager

This website uses Google Tag Manager to add and update tracking tags on its website.

Cloudflare Browser Insights

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

Blacklisted by Security Providers

Security intelligence signal: A security-provider signal contributes to the automated assessment of z-lib.nl. Publicly displayable provider verdicts, when available, are reported separately; some source details may be restricted by license.

AI-generated Text

This site contains text patterns consistent with machine-generated or AI-assisted content production.

Phishing - High Risk

Automated analysis detected strong patterns on this site associated with phishing or brand impersonation. Exercise extreme caution and avoid entering passwords, verification codes, payment details, or personal information until legitimacy is independently confirmed.

Listed by Gridinsoft

Gridinsoft Internet Security classified z-lib.nl 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.

External provider warnings: 3/25 Suspicious 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.

G-Data
Phishing
BitDefender
Warned
ESET
Suspicious

External provider results for Z-lib.nl, last checked August 8, 2026. โ€” VirusTotal

Domain Information

Created January 11, 2023 at 10:00 PM Updated: May 12, 2023 at 9:00 PM
Domain Age 3.6 years
Registrar NAMECHEAP, INC.
Domain Status Active DNSSEC: NO
Top Level Domain .nl Country Code TLD

Technical Details

IP Address 104.21.20.75
Hosting Provider Cloudflare, Inc. San Francisco, California, US ยท Hosting Provider ยท Anycast
Network AS13335 - Cloudflare, Inc. Hosting
SSL Certificate WE1 TLSv1.3 ยท Valid for: 3 months ยท from August 6, 2026 at 2:12 PM ยท to November 4, 2026 at 3:12 PM

Content Analysis

Website title Z-Library Official Homepage - Your Gateway to Knowledge
Website description Welcome to the official Z-Library homepage, the verified hub for Z-Library, z-lib, zlib, b-ok and 1library. Search books, articles, authors, ISBNs and booklists from
Available languages
Mentioned hosts (6)
www.google-analytics.com www.googletagmanager.com z-lib.nl isbncoverdb.com z-library.nl static.cloudflareinsights.com

Security Analysis

Detection Signatures These signatures are used to generate the security fingerprint below.
Books Registration Form Web Application Phishing - High Risk
Security Fingerprint Unique identifier based on site analysis

How to block Z-lib.nl?

Our Anti-Malware can automatically block access to z-lib.nl 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 z-lib.nl 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 z-lib.nl.

See detailed instructions for more options.

Are You the Owner?

If you own Z-lib.nl 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

Share your real experience with z-lib.nl. Is it a trustworthy site, or did you encounter any issues? The more detail you provide, the more helpful your review is for others!

Publication Tip

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- Your email remains confidential.

Gridinsoft Portal
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Your score for z-lib.nl

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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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