🌐 threema.com 200 🔒 SSL Valid
Checked: just now 🔗 Visit site
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.
N/A
Uptime
N/A
⚡ Performance ?Lighthouse performance score from Google PageSpeed Insights (0–100). Measures real-world loading speed, interactivity and visual stability.
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Performance data not available yet.

🛠️ 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.