indexo.dev

proopticom.de

.de crawl

First seen 2026-04-21 · Last seen 2026-05-15 · ok HTTP/1.1 200 3944 ms crawled 2026-05-15

DE · 78.46.5.142 · AS24940 Hetzner Online GmbH

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Home Pro Opti Com
Generator
TYPO3 CMS
Canonical
https://www.proopticom.de/index.html

Technology

Server
Apache

Third-party hosts loaded (3)

  • stackpath.bootstrapcdn.com×2
  • cdn.jsdelivr.net×1
  • code.jquery.com×1

Contact

Email
Phone

Registration

Updated
2020-09-07
Name servers
  • helium.ns.hetzner.de.
  • hydrogen.ns.hetzner.com.
  • oxygen.ns.hetzner.com.

DNS records live

NS
  • helium.ns.hetzner.de
  • hydrogen.ns.hetzner.com
  • oxygen.ns.hetzner.com
MX
  • 10 mail.proopticom.de

Email authentication weak

SPF
v=spf1 a mx ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

Encryption Everywhere DV TLS CA - G2
from 2026-03-07 to 2026-09-22
Expires in 126 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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 (1)

Linked from (1)