indexo.dev

detlev-lengsfeld.de

.de crawl

First seen 2026-05-31 · Last seen 2026-05-31 · ok HTTP/1.1 200 491 ms crawled 2026-05-31

DE · 88.99.100.94 · AS24940 Hetzner Online GmbH

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title
Detlev Lengsfeld – SEO · KI-Beratung · Web Security | Helmstedt & Braunschweig
Description
Detlev Lengsfeld – SEO, KI-Beratung und Web Security für kleine Unternehmen im Raum Helmstedt, Wolfenbüttel und Braunschweig.
Language
de-de
Generator
Hugo 0.162.0
Canonical
https://detlev-lengsfeld.de/

Open Graph

url
https://detlev-lengsfeld.de/
title
Detlev Lengsfeld – SEO · KI-Beratung · Web Security | Helmstedt & Braunschweig
locale
de_DE
site name
Detlev Lengsfeld

Technology

Server
nginx
CMS
Hugo 0.162.0

Contact

Address
Am Fuchsberg 24, 38154, Frellstedt, Niedersachsen, DE

Registration

Updated
2008-06-23
Name servers
  • ns1.first-ns.de.
  • robotns2.second-ns.de.
  • robotns3.second-ns.com.

DNS records live

NS
  • ns1.first-ns.de
  • robotns2.second-ns.de
  • robotns3.second-ns.com
MX
  • 10 mail.detlev-lengsfeld.de
Verified for
  • Google

Email authentication partial

SPF
v=spf1 ip4:88.99.100.94 -all
strict (-all)
DMARC
v=DMARC1; p=none; pct=100; rua=mailto:dmarc@detlev-lengsfeld.de
policy: none (monitoring only)
DKIM
  • default: v=DKIM1; p=p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAntE1tx2cJAAEV1Hh/8M64V2klGv8n0zk5isq2Zw47HDj2mYzP2PRnQhPhk7U7+Hp1QEwS9jgiJgcDBPkG5v…
selectors probed

Certificate (current)

R12
from 2026-03-28 to 2026-06-27
Expires in 24 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://detlev-lengsfeld.de/

present
  • strict-transport-security
findings
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=31536000; includeSubDomains; preload

Linked from (1)