indexo.dev

klett-international.com

.com crawl

First seen 2026-05-04 · Last seen 2026-05-11 · ok HTTP/1.1 200 4926 ms crawled 2026-05-11

DE · 206.81.31.186 · AS14061 DigitalOcean, LLC

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Klett International
Language
de
Canonical
https://klett-international.com/de/klett-sprachen-international-2024/c-4495
Translations
  • en
  • es

Open Graph

url
https://klett-international.com/de/klett-sprachen-international-2024/c-4495
title
Klett International

Technology

Server
nginx

Third-party hosts loaded (3)

  • cookiemanager.wirth-horn.de×2
  • res.cloudinary.com×2
  • rybbit.wirth-horn.de×1

Social

Registration

Registrar
InterNetX GmbH
Created
2003-09-22
Expires
2026-09-22 125 days left
Updated
2025-11-26
Name servers
  • ns11.zainternet.net
  • ns7.za-internet.net
  • ns8.za-domain.de

DNS records live

NS
  • ns11.zainternet.net
  • ns7.za-internet.net
  • ns8.za-domain.de
MX
  • 10 mail14.za-internet.net
  • 20 mail2.za-internet.net
TXT
  • 91muik2b107a615u25o78fumgo
  • voame8t026kslc15m8557ovk7g

Email authentication weak

SPF
v=spf1 ip4:193.7.168.0/21 ip6:2a0d:1700::/29 -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

Starfield Secure Certificate Authority - G2
from 2025-11-12 to 2026-12-12
Expires in 206 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 90/100 Checked live page: https://www.klett-international.com/

present
  • strict-transport-security
  • content-security-policy
  • x-frame-options
  • x-content-type-options
  • referrer-policy
  • permissions-policy
findings
  • CSP allows unsafe inline scripts/styles
  • CSP uses wildcard sources
Header values
referrer-policy
strict-origin-when-cross-origin
x-frame-options
SAMEORIGIN
permissions-policy
geolocation=(),midi=(),camera=(),usb=(),magnetometer=(),accelerometer=(),speaker-selection=(),ambient-light-sensor=(),gyroscope=(),microphone=()
x-content-type-options
nosniff
content-security-policy
default-src 'self' *.wirth-horn.de *.paypal.com 'unsafe-eval' 'unsafe-inline' https://www.book2look.com https://www.youtube-nocookie.com https://web.inxmail.com https://responder.wt-safetag.com; img-src data: *; media-src data: *; style-src 'self' data: 'unsafe-inline' *.wirth-horn.de; font-src data: 'self';
strict-transport-security
max-age=15768000

Links to (6)

Linked from (2)