cet.org favicon

cet.org

Category: Healthcare

Scanned: Oct 14, 2026, 24:35 UTC · First seen: Oct 14, 2026 · Threat Engines: 0 / 92 · Times Scanned: 1
96 / 100 Trust Score Based on scan findings at the time of analysis
No Threats Found
0 - High Risk50 - Moderate100 - No Threats
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Screenshot of cet.org Captured Oct 14, 2026
https://cet.org
Screenshot of cet.org
30 years
Low Popularity - #959,893 Tranco rank (<100K monthly visitors)
Not listed (92 checked)
✓ Valid (TLS)
Google Cloud (us-east4)
Washington, United States
nginx
Unknown
35.212.118.201
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Domain & WHOIS Information
Registrar Pair Domains
Registered March 6, 1996
Expires March 7, 2028
Name Servers NS4.PAIRNIC.COM
DNSSEC Signed
Hosting Google Cloud (us-east4)
Reputation & Threat Check 92 security engines checked
File Scan Summary Powered by Quttera Engine
99 files scanned
No threats
99
Low Risk
0
Medium Risk
0
High Risk
0
No threats Low Risk Medium Risk High Risk
cet.org/https&#x3a;&#x2f;&#x2f;cet.org&#x2f;the-night-and-sleep-need-darkness&#x2f; 117.3 KB No threats
cet.org/https&#x3a;&#x2f;&#x2f;cet.org&#x2f;how-does-light-work&#x2f; 117.3 KB No threats
cet.org/https&#x3a;&#x2f;&#x2f;cet.org&#x2f;why-should-someone-learn-about-depression&#x2f; 117.3 KB No threats
cet.org/https&#x3a;&#x2f;&#x2f;cet.org&#x2f;sleep-and-aging-why-does-sleep-change-as-we-age&#x2f; 117.3 KB No threats
cet.org/https&#x3a;&#x2f;&#x2f;cet.org&#x2f;light-therapy-its-discovery-and-applications&#x2f; 117.3 KB No threats
cet.org/https&#x3a;&#x2f;&#x2f;cet.org&#x2f;teen-sleep-too-late-too-little-or-both&#x2f; 117.3 KB No threats
cet.org/https&#x3a;&#x2f;&#x2f;cet.org&#x2f;the-secrets-of-falling-asleep&#x2f; 117.3 KB No threats
cet.org/https&#x3a;&#x2f;&#x2f;cet.org&#x2f;variations-on-the-sad-experience&#x2f; 117.3 KB No threats
cet.org/shop 370.6 KB No threats
cet.org/https&#x3a;&#x2f;&#x2f;cet.org&#x2f;power-naps-bring-power&#x2f; 117.3 KB No threats
Show 89 more...
External Links & Domains
534
External Links
All Clean
5
Iframes
Clean
42
Referenced Domains
1 Flagged
1
Flagged Resources
Detected
slrch.org Flagged: Generic Suspicious Object
cet.org/${e.src} Not flagged
cet.org/%url% Not flagged
cet.org/about/ Not flagged
cet.org/https&#x3a%3B&#x2f%3B&#x2f%3Bcet.org&#x2f%3Bhow-does-light-work&#x2f%3B Not flagged
cet.org/https&#x3a%3B&#x2f%3B&#x2f%3Bcet.org&#x2f%3Bhow-to-select-a-light-box&#x2f%3B Not flagged
cet.org/https&#x3a%3B&#x2f%3B&#x2f%3Bcet.org&#x2f%3Blight-therapy-its-discovery-and-applications&#x2f%3B Not flagged
cet.org/https&#x3a%3B&#x2f%3B&#x2f%3Bcet.org&#x2f%3Bmelatonin-and-its-uses&#x2f%3B Not flagged
cet.org/https&#x3a%3B&#x2f%3B&#x2f%3Bcet.org&#x2f%3Bpower-naps-bring-power&#x2f%3B Not flagged
cet.org/https&#x3a%3B&#x2f%3B&#x2f%3Bcet.org&#x2f%3Bsleep-and-aging-why-does-sleep-change-as-we-age&#x2f%3B Not flagged
cet.org/https&#x3a%3B&#x2f%3B&#x2f%3Bcet.org&#x2f%3Bteen-sleep-too-late-too-little-or-both&#x2f%3B Not flagged
cet.org/https&#x3a%3B&#x2f%3B&#x2f%3Bcet.org&#x2f%3Bthe-night-and-sleep-need-darkness&#x2f%3B Not flagged
cet.org/https&#x3a%3B&#x2f%3B&#x2f%3Bcet.org&#x2f%3Bthe-secrets-of-falling-asleep&#x2f%3B Not flagged
cet.org/https&#x3a%3B&#x2f%3B&#x2f%3Bcet.org&#x2f%3Bvariations-on-the-sad-experience&#x2f%3B Not flagged
cet.org/https&#x3a%3B&#x2f%3B&#x2f%3Bcet.org&#x2f%3Bwhy-should-someone-learn-about-depression&#x2f%3B Not flagged
cet.org/my-account/ Not flagged
Show 485 more...
Showing first 500 of 534 entries.
slrch.org Flagged: Generic Suspicious Object
academic.oup.com Not flagged
cet-surveys.com Not flagged
cet.org Not flagged
challenges.cloudflare.com Not flagged
chronotype-self-test.info Not flagged
connect.facebook.net Not flagged
docs.google.com Not flagged
doi.org Not flagged
donorbox.org Not flagged
eprovide.mapi-trust.org Not flagged
link.springer.com Not flagged
onlinelibrary.wiley.com Not flagged
player.vimeo.com Not flagged
pmc.ncbi.nlm.nih.gov Not flagged
Show 27 more...
<iframe allowpaymentrequest%3D"" frameborder%3D"0" height%3D"900px" name%3D"donorbox" scrolling%3D"no" seamless%3D"seamless" src%3D"https://donorbox.org/embed/donate-to-cet?default_interval%3Do" style%3D" min-width: 310px%3B max-height:none!important%3B margin: 0 auto!important%3B " width%3D"100%"> Not flagged
<iframe src%3D"https://donorbox.org/embed/donate-to-cet?default_interval%3Do&amount%3D50" name%3D"donorbox" allowpaymentrequest%3D"allowpaymentrequest" seamless%3D"seamless" frameborder%3D"0" scrolling%3D"no" height%3D"900px" width%3D"100%" style%3D"max-width: 500px%3B min-width: 250px%3B max-height:none!important"> Not flagged
<iframe src%3D"https://player.vimeo.com/video/657948511?h%3Dae708cb341&badge%3D0&player_id%3D0?rel%3D0&autoplay%3D1&loop%3D1&controls%3D0&muted%3D1&app_id%3D58479?" frameborder%3D"0" allow%3D"autoplay%3B fullscreen%3B" allowfullscreen style%3D"position:absolute%3Btop:0%3Bleft:0%3Bwidth:100%%3Bheight:100%%3B" title%3D"Center for Env Therapeutics Demo Final_VIMEO"> Not flagged
<iframe src%3D"https://w.soundcloud.com/player/?url%3Dhttps%3A//api.soundcloud.com/tracks/soundcloud%253Atracks%253A2263689788&amp%3Bcolor%3D%23ff5500&amp%3Bauto_play%3Dfalse&amp%3Bhide_related%3Dfalse&amp%3Bshow_comments%3Dtrue&amp%3Bshow_user%3Dtrue&amp%3Bshow_reposts%3Dfalse&amp%3Bshow_teaser%3Dtrue&amp%3Bvisual%3Dtrue" width%3D"100%" height%3D"300" frameborder%3D"no" scrolling%3D"no"> Not flagged
<iframe src%3D"https://www.youtube.com/embed/T0cBi7f7MfU" width%3D"300" height%3D"200" frameborder%3D"0" allowfullscreen%3D"allowfullscreen"> Not flagged
cet.org Overview

Description of cet.org

cet.org appears to be the website of the Center for Environmental Therapeutics, an organization focused on the relationship between light, sleep, circadian rhythms, mood, and related health topics. Based on the homepage content and linked resources, the site publishes educational material for both general readers and professionals, covering subjects such as depression, melatonin, chronotypes, light therapy, and sleep science.

The site also appears to support outreach and fundraising, with donation functionality and references to academic sources, surveys, and multimedia content. Based on the domain age and the branding shown in the screenshot, it appears to be a long-established informational and health-oriented website rather than a temporary landing page or generic placeholder.

Safety Assessment for cet.org

Based on available scan data, no threats were detected at the time of this scan. The domain was not flagged by any of 92 security engines, and the checked blacklist and threat-database sources indicated clean results. The malware scan also reported no flagged files among 99 scanned items.

One referenced external domain, slrch.org, was associated with a generic suspicious heuristic in a secondary scan result. Because this appears to relate to an external referenced domain rather than confirmed malicious content hosted on cet.org itself, and because there is no corroboration from the broader engine consensus or blacklist checks, it may represent a low-confidence signal rather than a confirmed threat.

Additional context is favorable: the domain has existed for about 30 years, the site content appears consistent with a legitimate health-education organization, and there are no obvious phishing or impersonation indicators in the provided screenshot. Based on available scan data, no significant threats were detected at the time of this scan.

Technical Description

The site uses a valid Let's Encrypt SSL certificate with an expiry in late 2026, indicating that HTTPS is configured. It is hosted on Google Cloud infrastructure in the United States, uses the nginx web server, and the domain's DNSSEC is signed, which is a positive integrity signal for DNS responses.

WHOIS data indicates a long registration history dating back to 1996 through Pair Domains, with active nameservers at pairNIC. No major infrastructure-level security concerns were evident from the provided data. The only minor note is the presence of a generically flagged referenced external domain in the page's linked resources, which may warrant periodic review but does not by itself indicate compromise of cet.org.

HTTP Redirect Chain
No redirects detected - direct connection to destination
Website Insights
#959,893
Tranco Rank
Moderately Popular
Visitors <100K/mo
Category: Healthcare
Rank History (30 days)
Sep 7 Oct 13
1 cookie detected
Essential1
Analytics0
Advertising0
Social0
1 1st party cookie
0 3rd party (trackers)
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This report was generated automatically and is provided for informational purposes only. Results are based on a point-in-time scan and may contain false positives or incomplete data. This does not constitute a security audit or certification. No vendor in the market can guarantee a 100% detection rate. If you believe this report is inaccurate, please submit a dispute.

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