indexo.dev

sicher3.de

.de crawl dns

First seen 2026-05-05 · Last seen 2026-05-18 · ok HTTP/1.1 200 476 ms crawled 2026-05-12

DE · 176.9.240.1 · AS24940 Hetzner Online GmbH

Reputation 100/100

Classifying

HTML metadata

Title
SICHER3 - einfach.digital.innovativ | SICHER3
Description
SICHER3 steht für einfache, digitale und innovative Lösungen in den Bereichen IT-Sicherheit, IT-Infrastrukturen und individueller Softwareentwicklung.
Language
de
Generator
powered by Wagtail, designed with Mobirise

Technology

Server
nginx
CMS
Gatsby

Social

Registration

Updated
2023-10-10
Name servers
  • ns.sicher3.com.
  • ns.sicher3.de.
  • ns.sicher3.net.

DNS records live

NS
  • ns.sicher3.com
  • ns.sicher3.de
  • ns.sicher3.net
MX
  • 10 sicher3-de.mail.protection.outlook.com
  • 100 mail.sicher3.de
Verified for
  • Apple
  • Google
  • Microsoft 365

Email authentication strong

SPF
v=spf1 ip4:176.9.240.0 include:spf.protection.outlook.com -all
strict (-all)
DMARC
v=DMARC1;p=reject;pct=100;ruf=mailto:dmarc@sicher3.de;rua=mailto:dmarc@sicher3.de
policy: reject (enforced)
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCYlDV3n3jWKv7EbPzmTpoK1gPhcl7A+iqTw9z4latyyBQck/vIK4i/i9K7eB6wVJKS8TeGFwYAYdj+T9IrEt…
  • selector2: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQD5irw5k8UTAkNj3ZSzMADAgBSBsWXTH09K3iuHUjooUGaCnYcM2KRxqlANd1z/KfmwJcbwp1UBzkfcb7E8PY…
  • dkim: v=DKIM1; k=rsa; h=sha256; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwbOjv55NRsqmpeCcwXz0yX1sdJ/1Ev1l2LsZTD0xz+MkM7u2+JfJ74YHfvZoaAkIRc3/…
selectors probed

Certificate (current)

E7
from 2026-03-20 to 2026-06-18
Expires in 29 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 85/100 Checked live page: https://sicher3.de/

present
  • strict-transport-security
  • content-security-policy
  • x-frame-options
  • x-content-type-options
  • referrer-policy
  • cross-origin-opener-policy
findings
  • CSP allows unsafe inline scripts/styles
  • CSP uses wildcard sources
  • missing Permissions Policy
Header values
referrer-policy
same-origin
x-frame-options
DENY
x-content-type-options
nosniff
content-security-policy
default-src 'self' *.sicher3.de;style-src 'self' 'unsafe-inline'; script-src 'self' 'unsafe-inline' *.sicher3.de www.paypal.com; object-src 'none'; connect-src sicher3.de *.sicher3.de *.paypal.com; frame-src *.sicher3.de sicher3.de https://matomo.sicher3.de https://www.paypal.com; img-src data: sicher3.de *.sicher3.de *.paypal.com *.paypalobjects.com; frame-ancestors 'self' *.sicher3.de sicher3.de
strict-transport-security
max-age=31536000; includeSubDomains
cross-origin-opener-policy
same-origin-allow-popups

Links to (5)

Linked from (2)