Domain security and threat intelligence

trezor[.]gitbook[.]io

Threat verdict Critical 93/100 evidence score

Availability Unverified Current reachability is unverified

Risk signals

VirusTotal detections: 14/91 Spamhaus DBL: DBL_ABUSED_PHISH Brand impersonation: Trezor

Aug 15, 2026 Trezor CDN

Evidence Summary

CRITICAL

trezor.gitbook.io is a subdomain of gitbook.io. PhishDestroy first observed the hostname on Aug 15, 2026. The hostname explicitly references Trezor; stored content metadata identifies the same apparent target. Stored page analysis classifies the content as impersonation. Current evidence score: 93/100 (critical).

Positive findings are stored from 3 sources: VirusTotal, Spamhaus DBL, and Cloudflare Radar. VirusTotal recorded 14 detections among 91 engines: alphaMountain.ai, BitDefender, Chong Lua Dao, CyRadar, ESET, Emsisoft, Fortinet, G-Data, Gridinsoft, Lionic, Netcraft, Sophos, VIPRE, Webroot on Aug 15, 2026 at 05:36 UTC. Spamhaus DBL: DBL_ABUSED_PHISH on Aug 15, 2026 at 06:30 UTC. Cloudflare Radar classified the hostname as malicious and placed it in the phishing category; its verdict timestamp was not retained. Non-positive and contextual checks: The separate external-blocklist snapshot contained no matches on Aug 15, 2026 at 14:20 UTC. Google Safe Browsing returned no flag on Aug 15, 2026 at 05:37 UTC.

The collector marked the hostname reachable on Aug 15, 2026 at 05:28 UTC, but did not retain the HTTP response code. Registration records for the registrable domain gitbook.io list GitBook as the registrar. At collection time, the hostname resolved to 172.64.147.209 on AS13335 (Cloudflare, Inc.). The IP and ASN identify shared Cloudflare edge infrastructure; the origin server is not established by this address. TLS metadata lists Google Trust Services as the certificate issuer with validity through Oct 15, 2026; checked Aug 15, 2026 at 13:02 UTC.

Neither a page title nor a landing-page capture is stored. The content indicators and 3 positive source findings support the current Trezor-themed impersonation classification.

VirusTotal

14 det.

CF Radar

Malicious

TLS Certificate

Google Trust Services

Observed status

Unverified

DestroyList

Listed

Data coverage VirusTotal 14 / 91 URLQuery not checked PhishStats not checked OTX no community references CF Radar provider verdict: malicious URLScan capture not submitted URLScan verdict verdict unavailable DNS blocks not checked TLS valid certificate, 61d WHOIS not parsed Screenshot not captured Redirect chain not probed

Network Security Intelligence

Cloudflare Radar Verdict Malicious

Phishing

Threat Response Pipeline

Discovery

Checks

Reports

Availability

8/10

Public Blocklist Status

Domain Intelligence

Domain

Server / ASN AS13335 Cloudflare, Inc.

IP Context Cloudflare shared edge origin IP hidden Edge-IP reputation is not attributed to this domain.

Registrar (base domain) GitBook

ICANN RegistryOfficial ICANN accredited-registrars →

WHOIS LookupICANN RDAP for gitbook.io →

IP Address 172.64.147.209 CDN

Geo

Toronto, CA

NetworkAS13335 · Cloudflare, Inc.

Reverse IPviewdns.info → rapiddns.io →

The origin IP is hidden behind a CDN proxy. Reverse-IP results for the edge address contain unrelated tenants; finding the origin requires passive DNS or certificate-transparency data.

Technical detailsDNS, SSL SANs, timestamps

First DetectedAug 15, 2026

TLS Fingerprint

TLS Observationvalid from Jul 17, 2026scanned Aug 15, 2026

TLS SAN Domainsgitbook.io

Favicon Hash

Technologies · 7 identified

GitBook

Documentation

GitBook is a command-line tool for creating documentation using Git and Markdown.

www.gitbook.com 100% confidence

Varnish

Caching

Varnish is a reverse caching proxy.

www.varnish-cache.org 100% confidence

Google Cloud

IaaS

Google Cloud is a suite of cloud computing services.

cloud.google.com 100% confidence

HSTS

Security

HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.

www.rfc-editor.org 100% confidence

Google Cloud Trace

Performance

Google Cloud Trace is a distributed tracing system that collects latency data from applications and displays it in the Google Cloud Console.

cloud.google.com 100% confidence

Cloudflare

CDN

Cloudflare is a web-infrastructure and website-security company, providing content-delivery-network services, DDoS mitigation, Internet security, and distributed domain-name-server services.

www.cloudflare.com 100% confidence

HTTP/3

Miscellaneous

HTTP/3 is the third major version of the Hypertext Transfer Protocol used to exchange information on the World Wide Web.

httpwg.org 100% confidence

Detected via Cloudflare Radar · Wappalyzer engine

Report This Domain Submit evidence & help protect others

VirusTotal Analysis

14 / 91 security vendors flagged this domain

View on VT

Last analyzed 2026-08-15 07:36:21 UTC First positive detection 2026-08-15 07:36:21 UTC

alphaMountain.ai

BitDefender

Chong Lua Dao

CyRadar

ESET

Emsisoft

Fortinet

G-Data

Gridinsoft

Lionic

Netcraft

Sophos

VIPRE

Webroot

Site Performance Analysis

Google PageSpeed Insights — mobile performance audit of trezor.gitbook.io · checked Aug 15, 2026

Needs Work

Performance

FCP

5.94s

First Contentful Paint

LCP

10.41s

Largest Contentful Paint

CLS

Cumulative Layout Shift

TBT

361ms

Total Blocking Time

6.64s

Speed Index

Evidence & External Reports

Security Analysis

VirusTotal 14 det. ChainPatrol ChainAbuse 4 reports URLQuery Open lookup Gridinsoft SSL Labs Stored TLS valid CF Radar Malicious WOT ScamAdviser Blacklist Checker URLVoid Sucuri SiteCheck MDN Observatory

Third-Party Detection — ChainAbuse

4 reports filed for trezor.gitbook.io · category: Impersonation · source checked 2026-08-15 19:12:08 UTC

Flagged by automated brand-abuse detection on Aug 14, 2026 — automated submission, not a user testimony. Source: ChainAbuse (TRM Labs).

OSINT & Intelligence

Web-Check Full scan SOCRadar Dark web report LeakIX Leak search Shodan Censys ThreatFox Hudson Rock Sign-in search IntelX crt.sh Certs WHOIS Wayback

DNS & Network

nslookup.io DNS bgp.tools ASN/Route

SEO & Domain

SpyFu Moz DA/PA Ahrefs Backlinks Deep Analysis

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National police directory

Action Fraud

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Contact centre0300 123 2040

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trezor[.]gitbook[.]io

Threat Response Pipeline

Public Blocklist Status

Domain Intelligence

VirusTotal Analysis