indexo.dev

lembke-seminare.de

.de crawl

First seen 2026-04-19 · Last seen 2026-05-16 · ok HTTP/1.1 200 5757 ms crawled 2026-05-13

DE · 116.203.247.176 · AS24940 Hetzner Online GmbH

Reputation 64/100 listed in spam blocklist weak security headers dmarc monitor-only

sector b2b services type homepage

HTML metadata

Title
Startseite - Lembke Seminare und Beratungen
Language
de
Generator
TYPO3 CMS
Canonical
https://www.lembke-seminare.de/

Technology

Server
Apache

Third-party hosts loaded (1)

  • code.etracker.com×1

Social

Contact

Email
Phone

Registration

Updated
2019-11-15
Name servers
  • ns1.your-server.de.
  • ns3.second-ns.de.
  • ns.second-ns.com.

DNS records live

NS
  • ns.second-ns.com
  • ns1.your-server.de
  • ns3.second-ns.de
MX
  • 10 mx1.antispampanel.de
  • 20 mx2.antispampanel.de
  • 30 mx3.antispampanel.de
  • 40 mx4.antispampanel.de
Verified for
  • Brevo
  • Microsoft 365

Email authentication partial

SPF
v=spf1 a:dedivirt1787.your-server.de include:spf.protection.outlook.com include:spf.sendinblue.com ~all
softfail (~all)
DMARC
v=DMARC1; p=none; sp=none; rua=mailto:info@lembke-seminare.de!10m; ruf=mailto:info@lembke-seminare.de!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)

R13
from 2026-04-04 to 2026-07-03
Expires in 43 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://www.lembke-seminare.de/

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

Links to (24)

Linked from (2)