tetr.io favicon

tetr.io

Category: Gaming

Scanned: Oct 5, 2026, 04:05 UTC · First seen: Oct 5, 2026 · Threat Engines: 0 / 91 · Times Scanned: 1
89 / 100 Trust Score Based on scan findings at the time of analysis
No Threats Found
0 - High Risk50 - Moderate100 - No Threats
Fresh scan recommended
Last scanned 15 days ago - security status may have changed since then.
Not scanned has not been scanned yet. Hit Check website to check it.
Failed
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Screenshot of tetr.io Captured Oct 5, 2026
https://tetr.io
Screenshot of tetr.io
7 years 7 months
Popular - #26,733 Tranco rank (>1M monthly visitors)
Not listed (91 checked)
✓ Valid (TLS)
Cloudflare, Inc.
Toronto, Canada
cloudflare
Unknown
104.26.4.36
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Domain & WHOIS Information
Registrar NameCheap, Inc.
Registered March 5, 2019
Expires March 5, 2029
Name Servers keaton.ns.cloudflare.com
DNSSEC Unsigned
Hosting Cloudflare, Inc.
Reputation & Threat Check 91 security engines checked
File Scan Summary Powered by Quttera Engine
71 files scanned
No threats
69
Low Risk
0
Medium Risk
1
High Risk
1
No threats Low Risk Medium Risk High Risk
tetr.io/bootstrap.js?hv=9628c0bbd.a0cb57db6fb1.20260921t164842 118.4 KB Flagged: high risk
tetr.io/# 398.5 KB Flagged: medium risk
www.googletagmanager.com/ns.html?id=GTM-MMJ9JFK 1.5 KB No threats
tetr.io/about/index.js 3.4 KB No threats
tetr.io/about/style.css 5.2 KB No threats
tetr.io/about/# 87.1 KB No threats
tetr.io/performance/style.css 1.3 KB No threats
tetr.io/performance/admin.js 180.8 KB No threats
tetr.io/performance/# 1.3 KB No threats
tetr.io/res/osk.svg 9.5 KB No threats
tetr.io/res/40l.svg 10.3 KB No threats
tetr.io/res/about.svg 12.1 KB No threats
Show 59 more...
Quttera flagged high risk files - is this your website?
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External Links & Domains
218
External Links
1 Flagged
0
Iframes
Clean
35
Referenced Domains
1 Flagged
2
Flagged Resources
Detected
s.amazon-adsystem.com Flagged: Generic Suspicious Object
s.amazon-adsystem.com Flagged: Generic Suspicious Object
s.amazon-adsystem.com Flagged: Generic Suspicious Object
tetr.io/../ Not flagged
tetr.io/../desktop/ Not flagged
tetr.io/../performance/ Not flagged
tetr.io/../privacy/ Not flagged
tetr.io/about/desktop Not flagged
tetr.io/about/index.js Not flagged
tetr.io/about/privacy/ Not flagged
tetr.io/about/rules/ Not flagged
tetr.io/about/rules/#ap Not flagged
tetr.io/about/style.css Not flagged
tetr.io/about/support/ Not flagged
tetr.io/about/terms/ Not flagged
tetr.io/acknowledgements/ Not flagged
tetr.io/admin.js Not flagged
Show 203 more...
s.amazon-adsystem.com Flagged: Generic Suspicious Object
a.pub.network Not flagged
api.btloader.com Not flagged
b.pub.network Not flagged
bio.site Not flagged
blog.osk.sh Not flagged
branding.osk.sh Not flagged
btloader.com Not flagged
c.amazon-adsystem.com Not flagged
c.pub.network Not flagged
cdn.confiant-integrations.net Not flagged
cdn.xsolla.net Not flagged
ch.tetr.io Not flagged
clovercomplex.carrd.co Not flagged
d.pub.network Not flagged
Show 20 more...
tetr.io Overview

Description of tetr.io

tetr.io appears to be the web presence for TETR.IO, an online multiplayer puzzle gaming platform centered on falling-block gameplay. Based on the domain, link structure, and referenced resources, the site likely provides browser-based play, desktop-related information, performance notes, rules, privacy and terms pages, support resources, and an API for game-related services.

The domain has been registered for several years and shows signs of an established online service rather than a temporary landing page. Referenced subdomains and related properties suggest it is operated by the TETR.IO project team or its associated developer/publisher infrastructure, with supporting services delivered through common web platforms and content-delivery providers.

Safety Assessment for tetr.io

Scan results were largely favorable at the time of this scan. No detections were reported by 0 out of 91 security engines, and the domain was not listed by the checked malware and phishing blacklist databases. The domain is also several years old and has measurable web traffic, which can be consistent with an established gaming service.

One malware scanner did report a malicious verdict and flagged two items, including a site script and a referenced advertising-related domain, under a generic suspicious-object label. Because this finding was not corroborated by the broader engine consensus or by the checked blacklist databases, it appears to be a lower-confidence heuristic signal rather than strong evidence of active malicious behavior. The screenshot also appears to show an anti-automation or bot-response message rather than a phishing page or malware lure.

Based on available data, no significant threats were detected at the time of this scan, though the isolated heuristic flag suggests a small degree of caution is still reasonable.

Technical Description

The site uses a valid SSL/TLS certificate issued by a mainstream certificate authority, with expiry in late 2026. It is hosted behind Cloudflare infrastructure on IP address 104.26.4.36, using Cloudflare nameservers and web-serving infrastructure, which may provide CDN and protective edge services.

DNSSEC appears to be unsigned, which is not uncommon but means DNS responses do not benefit from DNSSEC validation. No DNS-based blocklist hits were reported in the provided checks. The screenshot and link data also suggest the site may employ challenge or bot-mitigation endpoints, which can affect automated scanners and may explain some unusual page output.

HTTP Redirect Chain
403 https://tetr.io/
Website Insights
#26,733
Tranco Rank
Popular
Visitors >1M/mo
Category: Gaming
Rank History (30 days)
Aug 24 Oct 4
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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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