indexo.dev

tessloff.com

.com crawl

First seen 2026-04-15 · Last seen 2026-05-17 · ok HTTP/1.1 200 2530 ms crawled 2026-05-11

DE · 212.114.69.140 · AS8859 OSN Online Service Nuernberg GmbH

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
Tessloff Verlag: Kinderbücher - WAS IST WAS - Online Shop
Description
Entdecke WAS IST WAS-Bücher, Abenteuer, Rätselhefte & mehr ✓ Für Kinder, die die Welt verstehen wollen ✓ Weil Wissen stark macht!
Language
de
Generator
WordPress 6.8.5
Canonical
https://tessloff.com/
Feeds

Open Graph

url
https://tessloff.com/
title
Tessloff Verlag: Kinderbücher - WAS IST WAS - Online Shop
locale
de_DE
site name
Tessloff - WAS IST WAS
description
Entdecke WAS IST WAS-Bücher, Abenteuer, Rätselhefte & mehr ✓ Für Kinder, die die Welt verstehen wollen ✓ Weil Wissen stark macht!
updated time
2026-04-24T14:00:02+02:00

Technology

Server
Apache
CMS
WordPress
Fonts
  • Google Fonts

Third-party hosts loaded (1)

  • fonts.googleapis.com×1

Social

Contact

Phone
Address
ST WAS Sticker- und Rätselhefte(0)WAS IST WAS Wissenschaften easy!(0).elementor-1775

Registration

Registrar
InterNetX GmbH
Created
1996-03-26
Expires
2027-03-27 312 days left
Updated
2026-03-28
Name servers
  • dns.osn.de
  • dns.osn.net
  • dns.osn.org

DNS records live

NS
  • dns.osn.de
  • dns.osn.net
  • dns.osn.org
MX
  • 10 mx1.osn.de
  • 20 mx2.osn.de
  • 30 mx3.osn.de
TXT
  • google-site-verification=VyI2PvxGTDn_gMYyLxEPaeFi13he61fpE8DpObcCax8
  • MS=ms59902208

Email authentication partial

SPF
v=spf1 a mx include:osn.de include:spf.nl2go.com ~all
softfail (~all)
DMARC
v=DMARC1; p=none; rua=mailto:dmarcreport@osn.de
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

Sectigo RSA Domain Validation Secure Server CA
from 2025-05-31 to 2026-06-01
Expires in 13 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://tessloff.com/

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (5)

Linked from (4)