🌐 threema.com 200 🔒 SSL Valid
Checked: (cached 2026-10-28 20:13:43) ↻ Refresh 🔗 Visit site
✨ AI Description
This website provides access to a secure instant messaging service from Switzerland, designed for both individuals and organizations. It focuses on privacy and data protection with GDPR-compliant messaging features. The platform supports secure communication for teams and personal use, helping users exchange messages while minimizing exposure of personal data.
HTTP Status ?A three-digit code showing if the site loaded successfully (200), redirects (301/302), or has errors (4xx/5xx).Read more →
200
SSL Expires ?When the SSL certificate expires. An expired certificate causes browser security warnings.Read more →
in 76d
Domain Expires ?When the domain registration expires. If not renewed, the domain becomes available to others.Read more →
in 357d
Hosting ?The company and location where this website's server is physically located.Read more →
Unknown
Security ?Score based on key HTTP security headers: HSTS, Content-Security-Policy, and X-Frame-Options.Read more →
3/3
IP Address ?The numerical address of the server hosting this website. Reveals location, provider, and network.Read more →
203.56.112.78
Performance ?Lighthouse performance score from Google PageSpeed Insights (0–100). Measures real-world loading speed, interactivity and visual stability.
66 mob
Uptime
N/A
⚡ Performance ?Lighthouse performance score from Google PageSpeed Insights (0–100). Measures real-world loading speed, interactivity and visual stability. 66
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Mobile
66
Score
82
Accessibility
100
Best Practices
92
SEO
LCP 13.33s
CLS 0.023
FCP 2.16s
TTFB 0.11s
TBT 98ms
SI 6.51s
Desktop
92
Score
74
Accessibility
100
Best Practices
92
SEO
LCP 1.27s
CLS 0.046
FCP 0.47s
TTFB 0.18s
TBT 20ms
SI 2.33s
Checked: 2026-10-28 20:45:55.736839 · View on PageSpeed
🛠️ Tech Stack ?Technologies detected on this website: CMS, frameworks, libraries, CDN, and analytics tools. 3
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📊 Analytics
Matomo
🎨 CSS Framework
Bootstrap
🖥️ Web Server
Nginx
📸 Screenshot Processing...
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⏳

Screenshot is being captured...

🌐 DNS Records ?DNS translates domain names to IP addresses. Records control where the site, email, and services are directed.Read more →
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A (IPv4)203.56.112.78
AAAA (IPv6)2a14:3e40:112:312::78
NSns1.threema.chns2.threema.chns5.threema.ch
TXT (3)
Services configured via TXT:
Google
+1 other TXT record(s)
Show all TXT records
dbf37de8b6f793a18828fb4fbdd451b6
v=spf1 -all
google-site-verification=0JtLfG4Qk0bhvlyCU9HqmlfWaUcOZX8nkWctdblaFf4
📋 WHOIS / RDAP ?Public registration data: who registered the domain, when, and when it expires.Read more →
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RegistrarCOREhub, S.R.L.
Registered2012-10-21
Expires2027-10-21 (in 357 days)
Last Updated2026-10-22
Statusclient delete prohibitedclient transfer prohibited
🔒 SSL Certificate ?Encrypts the connection between browsers and this website. Valid SSL = HTTPS works.Read more → Valid
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Subject (CN)*.threema.com
IssuerSectigo Limited
Valid From2026-06-29
Valid Until2027-01-13 (76 days left)
SANs (2)*.threema.comthreema.com
📡 HTTP Headers ?Metadata sent by the server: reveals software, caching rules, and security configuration.Read more →
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Status200
Servernginx
Content-Typetext/html; charset=utf-8
Final URLhttps://threema.com/en
strict-transport-securitymax-age=31104000; includeSubdomains
content-security-policydefault-src 'self'; style-src 'self' https://static.threema.ch 'unsafe-inline' https://public.m.mail.threema.com; font-src 'self' https://static.threema.ch data:; script-src 'self' 'unsafe-eval' 'unsafe-inline' blob: https://hcaptcha-ws.threema.ch; script-src-elem 'self' https://hcaptcha-ws.threema.ch 'unsafe-inline' data: https://m.mail.threema.com https://threema.com; frame-src 'self' https://hcaptcha-assets.threema.ch https://m.mail.threema.com https://threema.com; img-src 'self' data: https://static.threema.ch blob: https://files.mastodon.social ; media-src 'self' data: blob:; connect-src 'self' wss://threema.com https://hcaptcha-assets.threema.ch https://static.threema.ch https://bugs.threema.ch https://threema.com ; object-src 'none'; worker-src 'self' blob:; child-src blob: https://hcaptcha-assets.threema.ch; frame-ancestors 'self'; form-action 'self' https://threema.com https://work.threema.ch https://m.mail.threema.com https://threema.com ; base-uri https://threema.com; report-uri https://bugs.threema.ch/api/30/security/?sentry_key=33a83d833904ad024494585d9479b3c4; report-to default
x-frame-optionsDENY
x-content-type-optionsnosniff
referrer-policyno-referrer
cache-controlno-cache, private
Security headers ?HTTP headers that protect visitors from attacks. HSTS forces HTTPS, CSP controls resource loading, X-Frame-Options prevents clickjacking.Read more →
HSTS
Content-Security-Policy
X-Frame-Options
🏠 Hosting ?Physical infrastructure: where the server is, who operates it, and what network it belongs to.Read more →
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IP Address203.56.112.78
ProviderUnknown
OrganizationN/A
ASNN/A
LocationN/A
🛡️ Security Score A (6/7)
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Valid SSL
HSTS
CSP
X-Frame-Options
X-Content-Type
Referrer-Policy
Permissions-Policy
🗺️ Sitemap & Robots
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Open to search engines
This site's robots.txt lets crawlers access its main content. Search engines can index it normally.
Areas hidden from crawlers:
📁 Other paths 1
Show raw disallow rules (1)
/docs/work/whitepapers/
Sitemap Found 3518 pages
Last modified 2026-10-27
🔗 Social & Meta Tags Complete
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TitleThreema – Secure Communication For Individuals and Companies
DescriptionThe secure instant messenger from Switzerland. GDPR-compliant messaging for individuals and organizations that value privacy, security and data protection.
OG TitleSecure Communication For Individuals and Companies
OG DescriptionThe secure instant messenger from Switzerland. GDPR-compliant messaging for individuals and organizations that value privacy, security and data protection.
OG Typewebsite
OG Site NameThreema
Twitter Cardsummary_large_image
Canonical URLhttps://threema.com/en
Languageen
📧 Mail Security ?Email authentication records (SPF & DMARC) that prevent spoofing and phishing from this domain.Read more →
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SPF✓ Present
v=spf1 -all
DMARC✓ Present
v=DMARC1; p=reject; aspf=s; adkim=s;
🌍 Other TLDs ?Other top-level domain variants of this domain name and their availability. 14 active 2 for sale 7 available
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.com current
.net ●
.org ●
.info ●
.io ●
.co ●
.dev ●
.app ●
.me taken
.biz Available
.eu taken
.xyz ●
.fi Available
.se Available
.de ●
.uk Available
.fr ●
.nl ●
.es ●
.it ●
.us ●
.ca Available
.com.au Available
.co.uk Available
📡 Uptime Monitor
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Not checked yet — data will appear after the first monitoring run.