indexo.dev

osz-teltow.de

.de crawl

First seen 2026-04-11 · Last seen 2026-05-18 · ok HTTP/1.1 200 2366 ms crawled 2026-05-19

DE · 217.160.0.201 · AS8560 IONOS SE

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
OSZ I Technik des Landkreises Potsdam-Mittelmark – Berufsschule im Landkreis Potsdam-Mittelmark
Language
de
Generator
WordPress 6.9.4
Canonical
https://osz-teltow.de/index.php/
Feeds

Technology

Server
Apache
CMS
WordPress

Contact

Email

Registration

Updated
2018-09-07
Name servers
  • ns1090.ui-dns.biz.
  • ns1090.ui-dns.com.
  • ns1090.ui-dns.de.
  • ns1090.ui-dns.org.

DNS records live

NS
  • ns1090.ui-dns.biz
  • ns1090.ui-dns.com
  • ns1090.ui-dns.de
  • ns1090.ui-dns.org
MX
  • 1 oszteltow-de0i.mail.protection.outlook.com
Verified for
  • Adobe
  • Apple
  • Brevo
  • Microsoft 365

Email authentication partial

SPF
v=spf1 include:spf.protection.outlook.com -all
strict (-all)
DMARC
v=DMARC1; p=none; rua=mailto:rua@dmarc.brevo.com
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

Sectigo Public Server Authentication CA DV R36
from 2026-03-17 to 2026-09-28
Expires in 130 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 35/100 Checked live page: https://osz-teltow.de/

present
  • permissions-policy
findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
Header values
permissions-policy
private-state-token-redemption=(self "https://www.google.com" "https://www.gstatic.com" "https://recaptcha.net" "https://challenges.cloudflare.com" "https://hcaptcha.com"), private-state-token-issuance=(self "https://www.google.com" "https://www.gstatic.com" "https://recaptcha.net" "https://challenges.cloudflare.com" "https://hcaptcha.com")

Linked from (2)