indexo.dev

laletu.de

.de crawl

First seen 2026-05-08 · Last seen 2026-05-08 · ok HTTP/1.1 200 4428 ms crawled 2026-05-15

US · 13.33.235.123 · AS16509 Amazon.com, Inc.

Reputation 95/100 weak security headers

sector education type homepage

HTML metadata

Title
LaLeTu Lautlesetutor
Description
Lautlesetutor — The AI-based revolution for diagnosing and training reading fluency
Language
de

Technology

CDN
Amazon CloudFront
Server
AmazonS3

Registration

Updated
2025-11-15
Name servers
  • ns-1080.awsdns-07.org.
  • ns-108.awsdns-13.com.
  • ns-1541.awsdns-00.co.uk.
  • ns-908.awsdns-49.net.

DNS records live

NS
  • ns-108.awsdns-13.com
  • ns-1080.awsdns-07.org
  • ns-1541.awsdns-00.co.uk
  • ns-908.awsdns-49.net
MX
  • 10 mx00.ionos.de
  • 10 mx01.ionos.de

Email authentication strong

SPF
v=spf1 mx ip4:159.183.144.80 include:mail.zendesk.com include:spf.crsend.com include:_spf-eu.ionos.com include:_spf.perfora.net include:_spf.kundenserver.de ~all
softfail (~all)
DMARC
v=DMARC1; p=reject; rua=mailto:dmarc@laletu.de; ruf=mailto:dmarc@laletu.de; fo=1:d;
policy: reject (enforced)
DKIM
  • k1: v=DKIM1;t=s;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCila9Goarrutolp7wTy9WrQMn3E1G+3RCmd/tDr0Fke+11hrTCsKLQ2AaPjsQ6dyyChZwI8RKD48d2V0pAxr8eq9…
  • s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAttfSJt3vF4RgoePjXzlGO2itODgK1ZDEJqmx7ySBmu7130BWd293hkKKlbPROSna977a7cLOaZgdHOEkwh…
  • s2: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAt3JpaFHMYggHK6NyymyB+UvAJPokzrGrTa2saQiexdLttHvK4ZrG0rmKwCsAfyPGqU8a6bkb39rNDeyFL4…
selectors probed

Certificate (current)

Amazon RSA 2048 M01
from 2025-10-09 to 2026-11-08
Expires in 171 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.laletu.de/

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

Linked from (1)