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Domain report

icdd.com

icdd.com ranks in the top 0.42% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 4 distinct hosts observed under it.

Explore icdd.com in the Web Graph

Connectivity

#561,633harmonic-centrality rank
Top percentile
0.42%
Hosts observed
4

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://icdd.com/ answered with HTTP 200.

DNS records

A
  • 198.139.133.134
AAAA
No records found.
MX
  • 10 icdd-com.mx1.arsmtp.com.
  • 20 icdd-com.mx2.arsmtp.com.
NS
  • auth1.dns.cogentco.com.
  • auth2.dns.cogentco.com.

Live preview

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

Domain registration (WHOIS / RDAP)

Registrar
Network Solutions, LLC
Registered
1993-03-12
Expires
2028-03-13
Last changed
2018-03-13

Nameservers: AUTH1.DNS.COGENTCO.COM, AUTH2.DNS.COGENTCO.COM

Status: client transfer prohibited

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
no-store, no-cache, must-revalidate
Content-Encoding
Not sent

Security

Content-Security-Policy
upgrade-insecure-requests;
Strict-Transport-Security
max-age=63072000; includeSubDomains;preload
X-Frame-Options
Not sent
X-Content-Type-Options
nosniff
Referrer-Policy
strict-origin-when-cross-origin
Permissions-Policy
accelerometer=(*), autoplay=(*), camera=(*), encrypted-media=(*), fullscreen=(*), geolocation=(*), microphone=(*), midi=(*), payment=(*), display-capture=(*)

What each security header does

Redirect chain

  1. 1.http://icdd.com/HTTP 301

    → https://icdd.com/

  2. 2.https://icdd.com/HTTP 301

    → https://www.icdd.com/

  3. 3.https://www.icdd.com/HTTP 200

Meta tags

Title
The International Centre for Diffraction Data | Materials Identification with the Powder Diffraction File -
Description
Not set
Canonical
https://www.icdd.com/
Robots
max-image-preview:large
Generator
All in One SEO (AIOSEO) 4.8.1.1
Open Graph title
The International Centre for Diffraction Data | Materials Identification with the Powder Diffraction File -
Open Graph description
Not set
Open Graph image
https://www.icdd.com/./wp-content/uploads/2022/11/icddlogo-header.png
Open Graph type
website
Twitter card
summary_large_image
Twitter title
The International Centre for Diffraction Data | Materials Identification with the Powder Diffraction File -
Twitter image
https://www.icdd.com/./wp-content/uploads/2022/11/icddlogo-header.png

robots.txt

Disallow rules (User-agent: *)
2
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

  • ASP.NETframework

    X-Powered-By: ASP.NET

  • WordPresscms

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

  • Google Analyticsanalytics

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

  • PHPother

    Cookie set: PHPSESSID

Related domains

Similar connectivity

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