indexo.dev

opta3.de

.de crawl

First seen 2026-05-30 · Last seen 2026-05-31 · ok HTTP/1.1 200 1630 ms crawled 2026-05-31

DE · 213.9.28.98 · AS12676 HKN GmbH

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
u-form Authentication Service Login

Technology

Server
Apache
CMS
WordPress
jQuery
3.7.1

Third-party hosts loaded (1)

  • www.testsysteme.de×6

Contact

Phone

Registration

Updated
2013-03-19
Name servers
  • ns-1302.awsdns-34.org.
  • ns-1744.awsdns-26.co.uk.
  • ns-83.awsdns-10.com.
  • ns-955.awsdns-55.net.

DNS records live

NS
  • ns-1302.awsdns-34.org
  • ns-1744.awsdns-26.co.uk
  • ns-83.awsdns-10.com
  • ns-955.awsdns-55.net
MX
  • 101 mail1.testsysteme.de
  • 102 mail1.u-form.de
TXT
  • cgghpktma88r46lrrag39vcnl0

Email authentication weak

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-09 to 2026-07-08
Expires in 37 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 85/100 Checked live page: https://www.opta3.de/cas/login?service=https%3A%2F%2Fwww.opta3.de%2FOptaCustomerView%2Flogin%2Fcas

present
  • strict-transport-security
  • content-security-policy
  • x-frame-options
  • x-content-type-options
findings
  • CSP allows unsafe inline scripts/styles
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
DENY
x-content-type-options
nosniff
content-security-policy
script-src 'self' 'unsafe-inline' 'unsafe-eval' https://www.googletagmanager.com https://www.google.com; object-src 'none'; worker-src 'self' blob: 'unsafe-inline';
strict-transport-security
max-age=15768000 ; includeSubDomains

Links to (2)

Linked from (1)