indexo.dev

certnow.de

.de crawl

First seen 2026-04-24 · Last seen 2026-05-18 · ok HTTP/1.1 200 28963 ms crawled 2026-05-18

DE · 138.199.148.198 · AS24940 Hetzner Online GmbH

Reputation 95/100 weak security headers

sector tech type homepage

HTML metadata

Title
CertNow GmbH - Innovative Ausbildung und Zertifizierung
Language
de-de
Canonical
/

Technology

Server
Apache
Analytics
  • Google Tag Manager
Cookie consent
  • Cookiebot

Third-party hosts loaded (2)

  • consent.cookiebot.com×1
  • www.googletagmanager.com×1

Registration

Updated
2024-12-21
Name servers
  • blair.ns.cloudflare.com.
  • denver.ns.cloudflare.com.

DNS records live

NS
  • blair.ns.cloudflare.com
  • denver.ns.cloudflare.com
MX
  • 10 mx00.ionos.de
  • 10 mx01.ionos.de
TXT
  • v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC2hHD6vL0yw/tQf/1bR5tmtAPyZ9U0axQrhpBnk77FKI6/UnsXQ/qxOv+Uobx/D5+nWEi96lq9NqwUCoKizkNvRcf9zi0wum8RBmWfGSAjnhHZq5iHAIZi166JLWzeg11/BdeExjminxcxXgBLK2bRX4Hxb7V6ROoyFtGOuS/CYQIDAQAB;
  • google-site-verification=3T8jNHkRvWp07SQGM9rhHqAP0sg5P7WCmOoQfJXJsus

Email authentication strong

SPF
v=spf1 include:_spf.perfora.net include:_spf-eu.ionos.com include:_spf.kundenserver.de ~all
softfail (~all)
DMARC
v=DMARC1;p=reject;pct=100;rua=mailto:webmaster@certnow.de
policy: reject (enforced)
DKIM
no key found at common selectors

Certificate (current)

E7
from 2026-04-17 to 2026-07-16
Expires in 59 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://www.certnow.de/

present
  • content-security-policy
findings
  • missing HSTS
  • CSP allows unsafe inline scripts/styles
  • CSP uses wildcard sources
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
content-security-policy
img-src * 'self' data: https:;font-src 'self' data: https:; media-src 'self' data: https:; default-src * 'self' gap: ; style-src 'self' 'unsafe-inline' *.certnow.de/; script-src * 'self' 'unsafe-inline' 'unsafe-eval';

Linked from (1)