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Domain report

ffe.de

ffe.de ranks in the top 0.46% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 22 distinct hosts observed under it.

Explore ffe.de in the Web Graph

Connectivity

#609,155harmonic-centrality rank
Top percentile
0.46%
Hosts observed
22

From the Common Crawl cc-main-2026-jul-aug-sep hyperlink graph, 133,241,980 domains total. What this rank means

HTTPS reachability

200HTTP status

https://ffe.de/ answered with HTTP 200.

DNS records

A
  • 92.205.55.242
AAAA
  • 2a00:1169:103:77c0::
MX
  • 0 ffe-de.mail.protection.outlook.com.
NS
  • ns1-06.azure-dns.com.
  • ns2-06.azure-dns.net.
  • ns3-06.azure-dns.org.
  • ns4-06.azure-dns.info.

Live preview

This is a live, sandboxed embed of ffe.de — not a copy. What it shows can change any time the site itself does.

Domain registration (WHOIS / RDAP)

RDAP lookup failed (HTTP 429).

How to read WHOIS and RDAP data

SSL certificate

Certificate Transparency lookup failed (HTTP 429).

How to check when a certificate expires

HTTP & security headers

Response

Server
cloudflare
Content-Type
text/html; charset=UTF-8
Cache-Control
Not sent
Content-Encoding
Not sent

Security

Content-Security-Policy
Not sent
Strict-Transport-Security
Not sent
X-Frame-Options
Not sent
X-Content-Type-Options
Not sent
Referrer-Policy
Not sent
Permissions-Policy
Not sent

What each security header does

Redirect chain

  1. 1.http://ffe.de/HTTP 301

    → https://www.ffe.de/

  2. 2.https://www.ffe.de/HTTP 200

Meta tags

Title
icon-bluesky
Description
Die FfE forscht und berät unabhängig und energieträgerneutral zu relevanten energietechnischen und energiewirtschaftlichen Themen.
Canonical
https://www.ffe.de/
Robots
index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
Generator
WPML ver:5.1.0 stt:1,3;
Open Graph title
Forschungsstelle für Energiewirtschaft e.V.
Open Graph description
Die FfE forscht und berät unabhängig und energieträgerneutral zu relevanten energietechnischen und energiewirtschaftlichen Themen
Open Graph image
https://www.ffe.de/wp-content/uploads/2024/05/Energiesystem_Maerkte-1024x576.png
Open Graph type
website
Twitter card
summary_large_image
Twitter title
Not set
Twitter image
Not set

robots.txt

Disallow rules (User-agent: *)
0
Disallow rules (other agents)
0

Sitemap declared:

  • https://www.ffe.de/sitemap_index.xml

Technology detected

Best-effort, based on a small set of well-known signals — this may be incomplete.

  • Cloudflarecdn

    Server: cloudflare

  • WordPresscms

    Found "wp-content/" in the page's HTML

Related domains

Similar connectivity

Domains ranked just above and below it in the same snapshot.