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Domain report

duda.dk

duda.dk ranks in the top 0.63% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 2 distinct hosts observed under it.

Explore duda.dk in the Web Graph

Connectivity

#842,561harmonic-centrality rank
Top percentile
0.63%
Hosts observed
2

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://duda.dk/ answered with HTTP 200.

DNS records

A
  • 93.191.156.120
AAAA
No records found.
MX
  • 10 mx.simply.com.
NS
  • ns1.simply.com.
  • ns2.simply.com.
  • ns3.simply.com.
  • ns4.simply.com.

Live preview

This is a live, sandboxed embed of duda.dk — 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
upgrade-insecure-requests;
Strict-Transport-Security
Not sent
X-Frame-Options
Not sent
X-Content-Type-Options
nosniff
Referrer-Policy
Not sent
Permissions-Policy
Not sent

What each security header does

Redirect chain

  1. 1.http://duda.dk/HTTP 301

    → https://duda.dk/

  2. 2.https://duda.dk/HTTP 200

Meta tags

Title
DUDA.dk - din portal til viden, nyheder og underholdning.
Description
Ressourceguide til lektiehjælp og undervisning i folkeskolen og ungdomsuddannelserne med masser af links og opgaver til alle skolefag.
Canonical
https://duda.dk/
Robots
index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
Generator
WordPress 7.1.3
Open Graph title
_DUDA forside
Open Graph description
Ressourceguide til lektiehjælp og undervisning i folkeskolen og ungdomsuddannelserne med masser af links og opgaver til alle skolefag.
Open Graph image
https://duda.dk/wp-content/uploads/2023/10/lektiehjaelp.gif
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

No Sitemap declared in robots.txt.

Technology detected

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

  • Cloudflarecdn

    Server: cloudflare

  • WordPresscms

    <meta name="generator"> = "WordPress 7.1.3"

  • Google Analyticsanalytics

    Found "googletagmanager.com/gtag/js" in the page's HTML

Related domains

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