indexo.dev

threema.com

.com crawl

First seen 2026-04-15 · Last seen 2026-05-14 · ok HTTP/1.1 200 3336 ms crawled 2026-05-10

CH · 203.56.112.78 · AS29691 Nine Internet Solutions AG

Reputation 100/100

Classifying

HTML metadata

Title
Threema – Secure Communication For Individuals and Companies – Threema
Description
The secure instant messenger from Switzerland. GDPR-compliant messaging for individuals and organizations that value security and data protection.
Language
en
Canonical
https://threema.com/en
Translations
  • ar
  • de
  • en
  • es
  • fr

Open Graph

url
https://threema.com/en
title
Threema – Secure Communication For Individuals and Companies
locale
en_US
site name
Threema
description
The secure instant messenger from Switzerland. GDPR-compliant messaging for individuals and organizations that value security and data protection.
locale:alternate
ar_AR

Technology

Server
nginx

Social

Registration

Registrar
COREhub, S.R.L.
Created
2012-10-21
Expires
2026-10-21 155 days left
Updated
2025-10-22
Name servers
  • ns1.threema.ch
  • ns2.threema.ch
  • ns5.threema.ch

DNS records live

NS
  • ns1.threema.ch
  • ns2.threema.ch
  • ns5.threema.ch
TXT
  • dbf37de8b6f793a18828fb4fbdd451b6
  • google-site-verification=0JtLfG4Qk0bhvlyCU9HqmlfWaUcOZX8nkWctdblaFf4

Email authentication no MX

SPF
v=spf1 -all
strict (-all)
DMARC
v=DMARC1; p=reject; aspf=s; adkim=s;
policy: reject (enforced)
DKIM
no key found at common selectors

Certificate (current)

Sectigo Public Server Authentication CA OV E36
from 2025-06-03 to 2026-07-05
Expires in 47 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 90/100 Checked live page: https://threema.com/en

present
  • strict-transport-security
  • content-security-policy
  • x-frame-options
  • x-content-type-options
  • referrer-policy
findings
  • CSP allows unsafe inline scripts/styles
  • missing Permissions Policy
Header values
referrer-policy
no-referrer
x-frame-options
DENY
x-content-type-options
nosniff
content-security-policy
default-src 'self'; style-src 'self' https://static.threema.ch 'unsafe-inline'; 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:; frame-src 'self' https://hcaptcha-assets.threema.ch; img-src 'self' data: https://static.threema.ch blob: ; media-src 'self' data: blob:; connect-src 'self' wss://threema.com https://hcaptcha-assets.threema.ch https://static.threema.ch https://bugs.threema.ch ; 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 ; base-uri https://threema.com; report-uri https://bugs.threema.ch/api/30/security/?sentry_key=33a83d833904ad024494585d9479b3c4; report-to default
strict-transport-security
max-age=31104000; includeSubdomains

Links to (9)

Linked from (2)