indexo.dev

rechneronline.de

.de crawl

First seen 2026-04-16 · Last seen 2026-05-11 · ok HTTP/1.1 200 3309 ms crawled 2026-05-11

FR · 92.205.208.77 · AS21499 Host Europe GmbH

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Rechneronline - Umfangreiche Sammlung digitaler Werkzeuge
Description
Online-Rechner, digitale Werkzeuge für unterschiedlichste Berechnungen, im Alltag, Beruf, Schule und Privat.
Language
de
Canonical
https://rechneronline.de/
Translations
  • de
  • en

Technology

Server
nginx
Ads
  • Google AdSense

Third-party hosts loaded (4)

  • pagead2.googlesyndication.com×4
  • cdn.opencmp.net×1
  • cdntrf.com×1
  • vg04.met.vgwort.de×1

Registration

Updated
2021-06-12
Name servers
  • ns81.domaincontrol.com.
  • ns82.domaincontrol.com.

DNS records live

NS
  • ns81.domaincontrol.com
  • ns82.domaincontrol.com
MX
  • 100 mxlb.ispgateway.de

Email authentication weak

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

Certificate (current)

Starfield Secure Certificate Authority - G2
from 2025-12-18 to 2027-01-17
Expires in 242 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 60/100 Checked live page: https://rechneronline.de/

present
  • strict-transport-security
  • x-content-type-options
findings
  • missing Content Security Policy
  • missing frame protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-content-type-options
nosniff
strict-transport-security
max-age=31536000

Links to (7)

Linked from (5)

See all sites whose homepage links to rechneronline.de →