lehrer.biz

.biz crawl

First seen 2026-05-12 · Last seen 2026-05-18 · ok HTTP/1.1 200 22036 ms crawled 2026-05-18

DE · 116.203.82.211 · AS24940 Hetzner Online GmbH

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title: Stellenangebote für Lehrer und Erzieher - Lehrer.biz
Description: Lehrer.biz ist die Stellenbörse für Lehrkräfte und Erzieher. Schalten Sie überregionale Stellenangebote für Ihre Schule Kita.
Language: de

Technology

Server: Apache

Analytics

Google Tag Manager

Third-party hosts loaded (4)

cdnjs.cloudflare.com×2
ajax.googleapis.com×1
px.ads.linkedin.com×1
www.googletagmanager.com×1

Registration

Registrar

Mesh Digital Limited

Created

2001-10-04

Expires

2026-11-06 170 days left

Updated

2025-11-10

Name servers

ns41.domaincontrol.com
ns42.domaincontrol.com

DNS records live

NS

ns41.domaincontrol.com
ns42.domaincontrol.com

MX

0 lehrer-biz.mail.protection.outlook.com

TXT

google-site-verification=HCZ3qrk3gKvKjWc1wy8TnrNUssYKo55IZmWzegOK9a0
NETORGFT19552483.onmicrosoft.com
Sendinblue-code:1de835b041b7ce4d04e73c2374edc613

Email authentication partial

SPF

v=spf1 include:spf.mailjet.com include:secureserver.net -all

strict (-all)

DMARC

v=DMARC1; p=none; sp=none; rua=mailto:dmarc@mailinblue.com!10m; ruf=mailto:dmarc@mailinblue.com!10m; rf=afrf; pct=100; ri=86400

policy: none (monitoring only) · sp=none

DKIM

mail: k=rsa;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDeMVIzrCa3T14JsNY0IRv5/2V1/v2itlviLQBwXsa7shBD6TrBkswsFUToPyMRWC9tbR/5ey0nRBH0ZVxp+lsmTxid2Y2z…

selectors probed

Certificate (current)

from 2026-04-26 to 2026-07-25

Expires in 66 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.lehrer.biz/

findings

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