Opening the security report for quanlytro.42web.io
quanlytro.42web.io
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quanlytro.42web.io
Is quanlytro.42web.io Safe? Security Score 77/100 | CyStack
quanlytro.42web.io
42web.io is hosted by InfinityFree
completely free website hosting with php, mysql and no ads on your site!
Industry
Computers, Electronics and Technology / Web Hosting and Domain Names
Origin
United States
Global rank
#64,319
Rank in United States
#45,835
Updated at
C77/100
Security level
Fair
Data confidence
High
Scope checked
97.3%
The higher the score, the more externally observable protections the system has recorded. This page does not certify that the website is reputable, legitimate, or completely free of vulnerabilities.
Is the website “quanlytro.42web.io” safe?
As of September 22, 2026 at 21:13, quanlytro.42web.io has a security score of 77/100 (grade C: “Fair”). CyStack’s automated assessment recorded 11 issues to review after completing 97.3% of applicable checks. The website owner should address “Allowed browser content (CSP)” first, then review the remaining items in order of impact.
Does quanlytro.42web.io show known scam, phishing, or malware signals?
At assessment time, CyStack did not find quanlytro.42web.io or related infrastructure on any scam, phishing, or malware warning list after checking 5 online reputation sources. This result reflects external observations; it does not guarantee absolute safety or verify the organization’s legal status or reputation.
Potentially exposed domain email addressesChecks infostealer data for email addresses ending in @42web.io, the registered domain of the assessed website quanlytro.42web.io. A record is not counted merely because someone visited or signed in to the website.0 matching email exposure records
0Matching email exposure records
0Related infected devices (estimated)
No exposure record was found for an email address ending in @42web.io in the available data. This does not guarantee that an exposure has never occurred.
Data provided by
Frequently asked questions
What affects the security of quanlytro.42web.io?
A valid SSL certificate still does not prove that quanlytro.42web.io is safe, legitimate, or free of scam signals. For a more complete assessment, this report also checks phishing and malware, exposed email records, IPs and open ports, subdomains, technologies, and CVEs that may apply to observed versions.
Does quanlytro.42web.io use HTTPS, and is its SSL certificate valid?
quanlytro.42web.io used a valid SSL certificate at assessment time, valid until November 30, 2026. This status may change when the certificate expires or the server configuration changes.
Data compiled from CyStack cybersecurity monitoring systems
CyStack compiles scan results from its internal cybersecurity monitoring systems, including CyStack VulnScan and CyStack Threat Intelligence, together with publicly available Internet data. The assessment only observes and analyzes information already available; it does not attempt unauthorized access, test passwords, send exploit code, or change or disrupt the assessed system.
These 3 failed checks or warnings have the greatest impact on the result for quanlytro.42web.io.
Allowed browser content (CSP)The inspected root HTML response does not include a Content-Security-Policy header.High
Why it matters
Content Security Policy (CSP) limits where scripts, styles, frames, and other browser content may come from. A strong policy reduces the impact if an attacker manages to inject content into a page.
What to do
Define only the sources the application needs, test the policy before activating it, and avoid broad wildcard (*) rules, unsafe-inline, and unsafe-eval where possible.
Scope of this check
This check only evaluates the homepage response and content that the scanner could reach. Other pages and sign-in flows may use different settings.
Email spoofing protection (DMARC)No DMARC record was found for the registrable email domain.High
Why it matters
DMARC lets the domain owner tell receiving services what to do when the visible From address is not verified by SPF or DKIM. Without DMARC, attackers have more opportunity to impersonate the domain in phishing email.
What to do
Publish a DMARC record at _dmarc, begin by collecting reports, and confirm that legitimate senders pass before applying a blocking policy.
Protection from deceptive framing (clickjacking)The inspected root HTML response has no effective CSP frame-ancestors or X-Frame-Options restriction.Medium
Why it matters
Another website can place this page inside a hidden or misleading frame and trick a user into clicking an unintended action. Frame restrictions tell browsers which sites, if any, may embed the page.
What to do
Set frame-ancestors in CSP to the required trusted sites, and keep X-Frame-Options for older browsers when appropriate.
Discovered subdomains (1,494+)Subdomains of 42web.io, the registered domain of the assessed website quanlytro.42web.io. Sensitive-looking names are shown first; individual subdomains have not been separately security-tested.Partial
Public web contextThe website title, description, industry and popularity.Website rankings and industry category are based on data from Similarweb
Page title
42web.io is hosted by InfinityFree
Website category
Computers, Electronics and Technology / Web Hosting and Domain Names
Description
completely free website hosting with php, mysql and no ads on your site!
Global rank
#64,319
Rank in United States
#45,835
Rank in industry
#114
Final URL
https://quanlytro.42web.io/
This is a quick, point-in-time check from outside the organization. It can surface visible risks, but it does not replace penetration testing or an authenticated assessment.
Have @42web.io email addresses appeared in exposed data or information-stealer (infostealer) logs?
No record associated with an @42web.io email address was found in the currently available data. This does not rule out incidents that have not been observed.
Which public IPs, services, and ports does quanlytro.42web.io expose?
The assessment observed 1 public IPs and 2 open ports for quanlytro.42web.io. An open port is not the same as a vulnerability, but the website owner should keep every public service updated and appropriately restrict access.
How many subdomains of 42web.io have been discovered?
The assessment observed 1,494+ public subdomains of 42web.io. This list can reveal additional entry points such as APIs, administration systems, or test environments, but it does not mean that every subdomain is risky.
Industry
Updated at 
United States
