threema.ch favicon

threema.ch

Category: Chat, Im, Sms, Information Technology

Scanned: Jun 3, 2026, 12:46 AM UTC · First seen: Jun 3, 2026 · Threat Engines: 0 / 91 · Times Scanned: 1
100 / 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 14 days ago - security status may have changed since then.
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Screenshot of threema.ch Captured Jun 3, 2026
https://threema.ch
Screenshot of threema.ch
13 years
Very Popular - #2,058 Tranco rank (>10M monthly visitors)
Not listed (91 checked)
✓ Valid (TLS)
Threema GmbH
Zurich, Switzerland
nginx
Unknown
203.56.112.78
Domain & WHOIS Information
Registrar Unknown
Registered October 24, 2012
Expires Unknown
Name Servers ns1.threema.ch
DNSSEC Signed
Hosting Threema GmbH
Reputation & Threat Check 91 security engines checked
File Scan Summary Powered by Quttera Engine
38 files scanned
No threats
38
Low Risk
0
Medium Risk
0
High Risk
0
No threats Low Risk Medium Risk High Risk
threema.com/en.http-redirect 79 B No threats
threema.com/ar 415.5 KB No threats
threema.com/en/# 566.5 KB No threats
threema.com/assets/logos/threema-work-customer-carelink-logo.svg 2.4 KB No threats
threema.com/assets/logos/threema-clients-swiss-police.svg 6.9 KB No threats
threema.com/assets/2-about-us/why_threema_darkmode.svg 943 B No threats
threema.com/assets/2-about-us/privacy_darkmode.svg 1.5 KB No threats
threema.com/assets/2-about-us/security_darkmode..svg 698 B No threats
threema.com/assets/client-logos/threema-work-logo-bayern.svg 177.8 KB No threats
threema.com/assets/client-logos/amsterdam_umc.svg 12.8 KB No threats
Show 28 more...
External Links & Domains
247
External Links
All Clean
0
Iframes
Clean
20
Referenced Domains
All Clean
0
Flagged Resources
None Detected
http://threema.ch/arNot flagged
http://threema.ch/ar/onpremNot flagged
http://threema.ch/ar/workNot flagged
http://threema.ch/assets/2-about-us/icon_priivacy.jpgNot flagged
http://threema.ch/assets/2-about-us/icon_security.pngNot flagged
http://threema.ch/assets/2-about-us/icon_why_threema.pngNot flagged
http://threema.ch/assets/2-about-us/privacy_darkmode.svgNot flagged
http://threema.ch/assets/2-about-us/security_darkmode..svgNot flagged
http://threema.ch/assets/2-about-us/why_threema_darkmode.svgNot flagged
http://threema.ch/assets/client-logos/amsterdam_umc.svgNot flagged
http://threema.ch/assets/client-logos/frankfurt-am-main.svgNot flagged
http://threema.ch/assets/client-logos/stiva_logo.svgNot flagged
http://threema.ch/assets/client-logos/threema-work-huette-law-logo.pngNot flagged
http://threema.ch/assets/client-logos/threema-work-logo-adac.svgNot flagged
http://threema.ch/assets/client-logos/threema-work-logo-admin-ch.svgNot flagged
Show 232 more...
broadcast.threema.chNot flagged
bsky.appNot flagged
gateway.threema.chNot flagged
linkedin.comNot flagged
mastodon.socialNot flagged
new.career.threema.comNot flagged
status.threema.chNot flagged
threema.chNot flagged
threema.comNot flagged
threema.idNot flagged
work.threema.chNot flagged
www.carelink.chNot flagged
www.hanseaticbank.deNot flagged
www.imagentv.comNot flagged
www.mainly-law.comNot flagged
Show 5 more...
threema.ch Overview

Description of threema.ch

threema.ch appears to be the official website for Threema, a Swiss secure messaging and communication platform. Based on the page title, metadata, and homepage content, the service focuses on end-to-end encrypted messaging, calls, and file sharing for both individuals and organizations, with an emphasis on privacy, confidentiality, and GDPR-aligned communication.

The site presents Threema as a technology and communications provider serving businesses, public-sector entities, and private users. The homepage highlights enterprise and institutional use cases, and the infrastructure details indicate the site is hosted by Threema GmbH in Zurich, Switzerland. Its web-classification categories also align with information technology and chat or messaging services.

Safety Assessment for threema.ch

At the time of this scan, the domain was not flagged by any of 91 security engines, and the malware scan reported no flagged files, no flagged external links, and no flagged referenced domains. In addition, the domain appeared clean across the checked blacklist and threat-database sources. These are favorable point-in-time indicators, especially when combined with the site's long operating history and strong web presence.

The website content and metadata are consistent with a legitimate secure communications provider rather than a deceptive landing page or parked domain. The domain has been registered for more than 13 years, ranks highly in traffic data, and the homepage shows coherent branding and product information that matches the domain name. Based on available data, no threats were detected at the time of this scan.

Technical Description

The site was using a valid SSL/TLS certificate issued by Sectigo Limited, with expiry listed as 2026-09-25. It resolves to an nginx web server at 203.56.112.78 and appears to be hosted by Threema GmbH in Zurich, Switzerland. DNSSEC is enabled and signed, which may help strengthen DNS integrity.

No immediate technical security concerns were evident from the provided scan results. The domain uses its own nameservers, has no flagged iframes or malicious linked resources in the scan sample, and the overall infrastructure profile appears consistent with an established production website.

HTTP Redirect Chain
301 https://threema.ch/
301 https://threema.com/
200 https://threema.com/en
Website Insights
#2,058
Tranco Rank
Very Popular
Visitors >10M/mo
Category: Chat, Im, Sms, Information Technology
Rank History (30 days)
Apr 27 Jun 2
2 cookies detected
Essential2
Analytics0
Advertising0
Social0
0 1st party cookies
2 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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