indexo.dev

mathekoffer.de

.de crawl

First seen 2026-05-09 · Last seen 2026-05-15 · ok HTTP/1.1 200 1531 ms crawled 2026-05-15

US · 198.185.159.144 · AS53831 Squarespace, Inc.

Reputation 100/100

Classifying

HTML metadata

Title
Mathekoffer
Language
de-DE
Canonical
https://www.mathekoffer.de
Feeds

Open Graph

url
https://www.mathekoffer.de
title
Mathekoffer
site name
Mathekoffer

Technology

Server
Squarespace
CMS
Squarespace
Analytics
  • Google Tag Manager
Fonts
  • Adobe Fonts
  • Google Fonts
Third-party hosts loaded (10)
  • images.squarespace-cdn.com×15
  • assets.squarespace.com×10
  • definitions.sqspcdn.com×8
  • static1.squarespace.com×4
  • cdn.embedly.com×3
  • use.typekit.net×2
  • fonts.googleapis.com×1
  • fonts.gstatic.com×1
  • p.typekit.net×1
  • www.googletagmanager.com×1

Social

Contact

Phone

Registration

Updated
2016-12-13
Name servers
  • docks15.rzone.de.
  • shades16.rzone.de.

DNS records live

NS
  • docks15.rzone.de
  • shades16.rzone.de
MX
  • 5 smtpin.rzone.de

Email authentication strong

SPF
not published
DMARC
v=DMARC1;p=reject;
policy: reject (enforced)
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-02 to 2026-07-01
Expires in 42 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 55/100 Checked live page: https://www.mathekoffer.de/

present
  • strict-transport-security
  • x-content-type-options
findings
  • short HSTS max-age
  • 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=0

Links to (3)

Linked from (1)