indexo.dev

kestner.app

.app crawl

First seen 2026-05-08 · Last seen 2026-05-08 · ok HTTP/1.1 200 4468 ms crawled 2026-05-15

DE · 35.157.209.11 · AS16509 Amazon.com, Inc.

Reputation 100/100

Classifying

HTML metadata

Title
Der Kestner - DGS
Description
Herzlich Willkommen beim großen Wörterbuch der Deutschen Gebärdensprache vom Verlag Karin Kestner.
Language
de

Open Graph

locale
de_DE

DNS records live

NS
  • dana.ns.cloudflare.com
  • elias.ns.cloudflare.com
TXT
  • paddle-verification=462a2bc5
Verified for
  • Google

Email authentication no MX

SPF
v=spf1 include:spf.mailjet.com ?all
neutral (?all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

Amazon RSA 2048 M04
from 2026-03-14 to 2026-09-28
Expires in 129 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 70/100 Checked live page: https://www.kestner.app/

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

Linked from (1)