indexo.dev

serieller-wohnungsbau.de

.de crawl

First seen 2026-04-11 · Last seen 2026-05-20 · ok HTTP/1.1 200 2020 ms crawled 2026-05-18

US · 76.76.21.21 · AS16509 Amazon.com, Inc.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
GDW - Serielles Bauen
Description
Serielles Bauen
Language
de

Technology

CDN
Vercel
CMS
Next.js

Registration

Updated
2026-02-12
Name servers
  • nsa1.schlundtech.de.
  • nsb1.schlundtech.de.
  • nsc1.schlundtech.de.
  • nsd1.schlundtech.de.

DNS records live

NS
  • nsa1.schlundtech.de
  • nsb1.schlundtech.de
  • nsc1.schlundtech.de
  • nsd1.schlundtech.de
MX
  • 10 mx1.agenturserver.de
  • 10 mx2.agenturserver.de

Email authentication weak

SPF
v=spf1 include:agenturserver.de ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-05-03 to 2026-08-01
Expires in 72 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.serieller-wohnungsbau.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=63072000

Links to (1)

Linked from (2)