Is docker.com legit?

90
/ 100
Trusted
Industry: SaaS

This site appears highly trustworthy, indicating a well-established and professionally managed online presence. While it has a slightly higher number of external scripts than ideal, its robust security measures, long history, and transparent operations outweigh this minor concern.

SaaS average: 81/100 · based on 62 sites

Checked: April 21, 2026 at 8:41 AM UTC

Is docker.com a scam? Here's what we found.

Security 90/100

The security posture is strong, featuring a valid SSL certificate with modern TLS 1.3, HSTS enforcement, and effective protection against clickjacking. The only notable concern is the elevated number of external scripts, which presents a minor potential attack vector.

Identity 95/100

The identity of the domain is clearly established with an impressive age of over 31 years, using a reputable registrar. This longevity provides significant confidence in its stable and well-maintained presence.

Reputation 95/100

Its reputation is excellent, evidenced by its high Tranco rank, extensive web archive history spanning 29 years, and absence from all DNS blacklists. The lack of a Trustpilot profile is not a significant negative for a site of this nature.

Transparency 95/100

The site exhibits strong transparency, featuring complete branding, readily available contact information, and connections to multiple social media platforms. This commitment to openness is a positive indicator for users.

Compliance 95/100

Legal compliance is well addressed with the clear presence of both privacy policy and terms of service pages. This demonstrates an understanding and adherence to user data protection and site usage guidelines.

Infrastructure 95/100

The infrastructure is robust and well-configured, with multiple reliable name servers, proper DNS resolution, and comprehensive email authentication including DMARC. The expiry date in 279 days is also a healthy timeframe.

Signals Detected

[+]
Tranco Rank: Rank #515

This is one of the most visited websites globally

[+]
Structured Data: Found

Site uses structured data identifying itself as: WebSite

[?]
Trustpilot: No Trustpilot profile

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

[+]
Domain Age: 31 years, 8 months

Domain created 1995-01-25T05:00:00Z (31 years, 8 months ago)

[?]
Registrar: Gandi SAS

Registered through Gandi SAS

[+]
Domain Expiry: 2027-01-26T05:00:00Z

Expires in 279 days

[+]
DNSSEC: unsigned

DNSSEC status from WHOIS

[~]
External Scripts: 50 scripts

Excessive number of external scripts — may indicate malicious injection

[+]
SSL Certificate: Valid

Valid certificate, expires in 70 days

[?]
Certificate Issuer: Let's Encrypt

Certificate issued by Let's Encrypt

[+]
TLS Version: TLS 1.3

Connection uses TLS 1.3

[+]
robots.txt: Present

robots.txt has 29 directives and references a sitemap

[+]
Branding: Complete

Site has custom branding and social media metadata

[+]
HSTS Header: Present

Site enforces HTTPS via HSTS

[+]
Clickjacking Protection: Present

X-Frame-Options: SAMEORIGIN

[?]
Server: nginx

Web server: nginx

[+]
Google Web Risk: Clean

No threats detected by Google Web Risk

[+]
DNS Resolution: 3 IP(s)

Resolves to: 2620:12a:8000::4, 2620:12a:8001::4, 23.185.0.4

[+]
Email (MX Records): 5 record(s)

Mail servers: aspmx.l.google.com., alt1.aspmx.l.google.com., alt2.aspmx.l.google.com., alt3.aspmx.l.google.com., alt4.aspmx.l.google.com.

[+]
DMARC Record: Present

Domain has DMARC email authentication configured

[+]
Name Servers: 4 server(s)

DNS providers: ns-1289.awsdns-33.org., ns-1981.awsdns-55.co.uk., ns-207.awsdns-25.com., ns-568.awsdns-07.net.

[+]
Sitemap: 15 pages

Site maintains a proper sitemap with 15 indexed pages

[+]
DNS Blacklists: Clean

Not found on any DNS blacklists

[+]
Web Archive History: 29 years

Earliest archive snapshot from 19961221

[+]
Website Status: Online

Website is live and responding

[+]
Contact Info: Found

Website appears to have contact information

[+]
Legal Pages: Privacy & Terms found

Website has both privacy policy and terms of service pages

[+]
Social Media Presence: 5 platforms

Website links to multiple social media platforms

[?]
Certificate Transparency: Unable to check

Could not query certificate transparency logs

[+]
Page Load Time: 143ms

Fast page load

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When evaluating a major technology platform like Docker, the key is to look beyond just surface-level indicators. Docker, an essential tool for developers and businesses deploying applications, handles critical workloads, making trust paramount. A legitimate software-as-a-service (SaaS) provider in this space typically demonstrates longevity, transparent operations, and a strong commitment to security, and docker.com largely aligns with these expectations. First, its domain age of over 31 years is an extraordinary signal of stability and commitment. Few websites, especially in the fast-paced tech world, maintain such a continuous online presence. This long history is indicative of a well-established company, a stark contrast to the short-lived domains often associated with less reputable ventures. Combined with its top 500 Tranco Rank, it's clear docker.com is a leading, widely recognized entity. For a SaaS platform, especially one integral to development pipelines, security is non-negotiable. Docker.com utilizes modern TLS 1.3 encryption and has a valid SSL certificate, enforcing secure connections—standard for any professional service. While the number of external scripts is a point we note for developers to be aware of when embedding or integrating third-party tools (as this is a common attack vector for less scrupulous sites), Docker's overall security posture, including being clean on Google Web Risk, is reassuring. They also maintain excellent email authentication records, reducing phishing risks related to their communications. Ultimately, based on our in-depth analysis, docker.com is a trusted and reliable platform for its users.