indexo.dev

sz-grenzstrasse.de

.de crawl

First seen 2026-06-01 · Last seen 2026-06-01 · ok HTTP/1.1 200 755 ms crawled 2026-06-02

DE · 195.37.105.90 · AS680 Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.

Reputation 87/100 weak security headers spf without fallback

Classifying

HTML metadata

Title
Unsere Schule - Schulzentrum Grenzstraße
Language
de
Canonical
https://sz-grenzstrasse.de/unsere-schule-1459
Feeds

Technology

Server
Apache
CMS
Gatsby

Registration

Updated
2012-12-23
Name servers
  • docks02.rzone.de.
  • shades19.rzone.de.

DNS records live

NS
  • docks02.rzone.de
  • shades19.rzone.de
MX
  • 5 smtpin.rzone.de
TXT
  • MS=733C89552D5956478A591503A63317B7ED767393
Verified for
  • Adobe
  • Google
  • HARICA

Email authentication strong

SPF
v=spf1 redirect=_spf.strato.com
missing all
DMARC
v=DMARC1;p=reject;
policy: reject (enforced)
DKIM
no key found at common selectors

Certificate (current)

GEANT TLS RSA 1
from 2026-03-04 to 2027-03-04
Expires in 274 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://sz-grenzstrasse.de/startseite-1459

present
  • x-frame-options
findings
  • missing HSTS
  • missing Content Security Policy
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
sameorigin

Links to (2)

Linked from (1)