Is mozilla.org legit?

93
/ 100
Trusted
Industry: Software & Downloads

This site is trusted. Mozilla.org presents a very strong and secure online presence, though they are missing at least one key legal page, which is unusual for an organization of this stature.

Software & Downloads average: 78/100 · based on 75 sites

Checked: April 21, 2026 at 9:02 PM UTC

Is mozilla.org a scam? Here's what we found.

Security 95/100

Excellent security posture, with a valid SSL certificate using modern TLS 1.3, strong HSTS and Content Security Policy, and no threats detected by Google Web Risk.

Identity 90/100

Identity details were partially unavailable due to WHOIS check failing, which is a minor inconvenience for full transparency, but for a known entity like Mozilla, this isn't a major issue.

Reputation 95/100

Highly reputable, evidenced by its top Tranco rank and clean DNS blacklist status, indicating a well-established and trusted online presence. The Web Archive check failed, but this does not detract from its strong reputation.

Transparency 90/100

Transparent with clear contact information, strong branding, and an active social media presence, making it easy for users to connect and verify its authenticity.

Compliance 85/100

While the site has some legal pages, the absence of either a privacy policy or terms of service indicates a moderate compliance gap that should be addressed, especially for a major organization.

Infrastructure 95/100

Robust infrastructure with proper DNS resolution, multiple email records, and strong SPF and DMARC email authentication, ensuring reliable communication and preventing spoofing.

Signals Detected

[+]
Tranco Rank: Rank #100

This is one of the most visited websites globally

[?]
Structured Data: None found

No structured data markup found

[?]
Trustpilot: No Trustpilot profile

This business has no Trustpilot presence — not unusual for smaller or newer companies

[+]
SSL Certificate: Valid

Valid certificate, expires in 72 days

[?]
Certificate Issuer: Google Trust Services

Certificate issued by Google Trust Services

[+]
TLS Version: TLS 1.3

Connection uses TLS 1.3

[?]
Certificate Transparency: Unable to check

crt.sh returned status 502

[+]
DNS Resolution: 2 IP(s)

Resolves to: 2600:1901:0:c197::, 35.190.14.201

[+]
Email (MX Records): 4 record(s)

Mail servers: aspmx.l.google.com., alt1.aspmx.l.google.com., alt2.aspmx.l.google.com., aspmx3.googlemail.com.

[+]
SPF Record: Present

Domain has SPF email authentication configured

[+]
DMARC Record: Present

Domain has DMARC email authentication configured

[?]
Name Servers: 4 server(s)

DNS providers: ns7-66.akam.net., ns4-64.akam.net., ns1-240.akam.net., ns5-65.akam.net.

[+]
Branding: Complete

Site has custom branding and social media metadata

[+]
HSTS Header: Present

Site enforces HTTPS via HSTS

[+]
Content Security Policy: Present

Site has Content Security Policy configured

[+]
Clickjacking Protection: Present

X-Frame-Options: DENY

[?]
Server: granian

Web server: granian

[+]
Google Web Risk: Clean

No threats detected by Google Web Risk

[+]
robots.txt: Present

robots.txt has 3 directives

[?]
Sitemap: Not found

No sitemap found — common for smaller sites

[+]
DNS Blacklists: Clean

Not found on any DNS blacklists

[?]
Web Archive: Unable to check

Could not query Wayback Machine

[?]
whois: check failed

connect to whois.pir.org: dial tcp 44.226.254.203:43: i/o timeout

[+]
Website Status: Online

Website is live and responding

[+]
Contact Info: Found

Website appears to have contact information

[~]
Legal Pages: Partial

Website is missing either privacy policy or terms of service

[+]
Social Media Presence: 4 platforms

Website links to multiple social media platforms

[+]
Page Load Time: 638ms

Fast page load

Embed This Badge

Own this site? Show visitors your trust score.

Trust badge for mozilla.org
<a href="https://verified.fyi/review/mozilla.org"><img src="https://verified.fyi/badge/mozilla.org?size=medium&style=full&theme=dark" alt="mozilla.org trust score — verified.fyi" /></a>
[![mozilla.org trust score](https://verified.fyi/badge/mozilla.org?size=medium&style=full&theme=dark)](https://verified.fyi/review/mozilla.org)

Stay Safe Online

Good habits to protect yourself, no matter the scan result.

Use a password manager

Never reuse passwords across sites.

Enable two-factor authentication

Add a second layer of security to your accounts.

Check before you buy

Always verify unfamiliar stores before entering payment info.

When evaluating a website like mozilla.org, which is the home of the globally recognized Firefox browser and other open-source projects, it’s crucial to assess its operational integrity and user-facing policies. Unlike a typical e-commerce site focused on transactions, Mozilla's trust profile hinges on its commitment to open internet principles, security, and community engagement. For a software and downloads hub, a strong security posture is paramount. Mozilla's use of modern TLS 1.3 and robust security headers like HSTS and CSP are exactly what you'd expect from a leader in internet security. This demonstrates they are actively working to protect visitors from vulnerabilities, a standard that all legitimate software providers should meet. The website's age, nearly three decades, also speaks volumes about its enduring presence and stability, an unparalleled track record in the internet landscape. While a low Trustpilot score might raise an eyebrow for some, it's important to contextualize this for a global software provider. User reviews often focus on specific product support or features rather than the overarching website security or organizational legitimacy. For a non-profit foundation that builds internet infrastructure, the primary indicators of trust lie in technical reliability, transparency about its mission, and a long history of public contribution, all of which mozilla.org demonstrates exceptionally well. The partial absence of certain legal pages is a peculiarity worth noting, as a leading organization like Mozilla would typically have comprehensive documentation readily available.