indexo.dev

tzl.de

.de crawl

First seen 2026-05-08 · Last seen 2026-05-14 · ok HTTP/1.1 200 428 ms crawled 2026-05-14

DE · 188.68.47.217 · AS197540 netcup GmbH

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Home - Technikzentrum Lübeck
Language
de
Generator
WordPress 6.9.4
Canonical
https://tzl.de/
Feeds

Open Graph

url
https://tzl.de/
title
Home
locale
de_DE
site name
Technikzentrum Lübeck

Technology

Server
nginx
CMS
WordPress

Third-party hosts loaded (2)

  • cdnjs.cloudflare.com×2
  • gmpg.org×1

Social

Contact

Email
Phone

Registration

Updated
2024-02-17
Name servers
  • ns.udag.de.
  • ns.udag.net.
  • ns.udag.org.

DNS records live

NS
  • ns.udag.de
  • ns.udag.net
  • ns.udag.org
MX
  • 10 tzl-de.mail.protection.outlook.com
TXT
  • google-site-verification=35BdfM_P42jxV6p1Evwju7mCMMH2c7Fkc_oJiJbSK1A

Email authentication weak

SPF
v=spf1 include:spf.protection.outlook.com -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-03-23 to 2026-06-21
Expires in 33 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 35/100 Checked live page: https://tzl.de/

present
  • referrer-policy
findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Permissions Policy
Header values
referrer-policy
no-referrer-when-downgrade

Links to (21)

Linked from (2)