Is nasa.gov legit?
This site is highly trusted, benefiting from its identity as a long-standing government domain (nasa.gov) with excellent security and infrastructure. While there are minor issues with transparency regarding hidden content and a compliance gap concerning legal pages, these do not overshadow its overall reliability.
Government average: 80/100 · based on 33 sites
Checked: April 21, 2026 at 9:05 PM UTC
Is nasa.gov a scam? Here's what we found.
The site uses modern TLS 1.3 encryption and has a valid SSL certificate. While Let's Encrypt is a free CA and Certificate Transparency couldn't be checked, Google Web Risk reports no threats, indicating a generally secure posture.
As nasa.gov, the identity is clear and authoritative, backed by a very long domain age of nearly 29 years and registration through get.gov. The WHOIS information, though redacted for privacy, is standard for .gov domains.
With a top Tranco rank, no DNS blacklist hits, and a very long operational history, the site possesses an exceptionally strong and verified reputation. The inability to check the Wayback Machine is a minor detail that doesn't detract from this.
The site provides clear contact information, complete branding, and active social media presence, projecting an open image. However, the presence of excessive hidden elements raises some concern about content visibility practices.
While the site is generally robust, the partial or missing legal pages (either privacy policy or terms of service) represent a notable gap in compliance, which is important for public sector websites.
The infrastructure is robust, featuring DMARC email authentication, DNSSEC, multiple DNS resolvers, and strict HSTS for HTTPS enforcement. The nginx server and multi-server DNS setup are standard for high-traffic sites.
Signals Detected
This is one of the most visited websites globally
Site uses structured data identifying itself as: Organization, WebSite
This business has no Trustpilot presence — not unusual for smaller or newer companies
Valid certificate, expires in 78 days
Certificate issued by Let's Encrypt
Connection uses TLS 1.3
crt.sh returned status 502
Excessive hidden content found — may indicate cloaking or deceptive content
Resolves to: 2a04:fa87:fffd::c000:426c, 192.0.66.108
Mail servers: nasa-gov.mail.protection.outlook.com.
Domain has DMARC email authentication configured
DNS providers: a1-32.akam.net., a5-66.akam.net., a8-66.akam.net., a9-64.akam.net., a12-64.akam.net., a14-67.akam.net.
Site enforces HTTPS via HSTS
X-Frame-Options: SAMEORIGIN
Web server: nginx
No threats detected by Google Web Risk
Site has custom branding and social media metadata
robots.txt has 5 directives
Domain created 1997-10-02T01:29:26Z (28 years, 11 months ago)
Registered through get.gov
Expires in 100 days
DNSSEC status from WHOIS
Site maintains a proper sitemap with 77 indexed pages
Not found on any DNS blacklists
Could not query Wayback Machine
Website is live and responding
Website appears to have contact information
Website is missing either privacy policy or terms of service
Website links to multiple social media platforms
Fast page load
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