indexo.dev

sonnenhaus-institut.de

.de crawl

First seen 2026-04-21 · Last seen 2026-05-18 · ok HTTP/1.1 200 4540 ms crawled 2026-05-15

DE · 178.254.17.171 · AS42730 EVANZO e-commerce GmbH

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Sonnenhaus Institut e.V. | Sonnenhaus Institut e.V.
Description
INSTITUT ZUR TECHNISCHEN WEITERENTWICKLUNG UND VERBREITUNG VON WEITGEHEND SOLAR BEHEIZTEN GEBÄUDEN
Language
de
Generator
All in One SEO (AIOSEO) 4.9.6.2
Canonical
https://www.sonnenhaus-institut.de
Feeds

Technology

Server
Apache
CMS
WordPress

Third-party hosts loaded (1)

  • gmpg.org×1

Social

Contact

Phone
Address
st am 14. August 2025

Registration

Updated
2006-07-21
Name servers
  • ns01.1blu.de.
  • ns02.1blu.de.

DNS records live

NS
  • ns01.1blu.de
  • ns02.1blu.de
MX
  • 10 mail.sonnenhaus-institut.de

Email authentication weak

SPF
v=spf1 mx include:_spf.1blu.de ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-03-22 to 2026-06-20
Expires in 30 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.sonnenhaus-institut.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

Links to (5)

Linked from (5)