indexo.dev

co2-institut.ch

.ch crawl

First seen 2026-05-30 · Last seen 2026-05-31 · ok HTTP/1.1 200 4410 ms crawled 2026-05-31

DE · 88.99.27.84 · AS24940 Hetzner Online GmbH

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
CO₂ Institut Schweiz | Suisse – Holz ist einfach genial!
Language
de
Generator
Elementor 3.34.1; features: additional_custom_breakpoints; settings: css_print_method-external, google_font-enabled, font_display-auto
Canonical
https://co2-institut.ch/
Feeds

Technology

Server
Apache
CMS
WordPress
PHP
8.1.34 end of life
jQuery
3.7.1
Stack
PHP
Fonts
  • Font Awesome

Third-party hosts loaded (3)

  • use.fontawesome.com×2
  • gmpg.org×1
  • hcaptcha.com×1

Social

Contact

Phone

DNS records live

NS
  • ns1.aditsystems.hosting
  • ns2.aditsystems.hosting
  • ns3.aditsystems.hosting
MX
  • 10 mail8.mailhosting.a1a-server.de
Verified for
  • Google

Email authentication weak

SPF
v=spf1 include:_spf.a1a-server.de -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

E8
from 2026-05-12 to 2026-08-10
Expires in 70 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://co2-institut.ch/

present
  • x-content-type-options
findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-content-type-options
nosniff

Links to (6)

Linked from (2)