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Domain report

wikipedia.org

wikipedia.org ranks in the top 0.000011% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 2,050 distinct hosts observed under it.

Explore wikipedia.org in the Web Graph

Connectivity

#14harmonic-centrality rank
Top percentile
0.000011%
Hosts observed
2,050

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://wikipedia.org/ answered with HTTP 200.

DNS records

A
  • 208.80.154.224
AAAA
  • 2620:0:861:ed1a::1
MX
  • 10 mx-in1001.wikimedia.org.
  • 10 mx-in2001.wikimedia.org.
NS
  • ns0.wikimedia.org.
  • ns1.wikimedia.org.
  • ns2.wikimedia.org.

Live preview

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

Domain registration (WHOIS / RDAP)

Registrar
MarkMonitor Inc.
Registered
2001-01-13
Expires
2027-01-13
Last changed
2026-08-12

Nameservers: ns0.wikimedia.org, ns1.wikimedia.org, ns2.wikimedia.org

Status: client delete prohibited, client transfer prohibited, client update prohibited

How to read WHOIS and RDAP data

SSL certificate

Certificate Transparency lookup failed (HTTP 502).

How to check when a certificate expires

HTTP & security headers

Response

Server
cloudflare
Content-Type
text/html
Cache-Control
s-maxage=86400, must-revalidate, max-age=3600
Content-Encoding
Not sent

Security

Content-Security-Policy
Not sent
Strict-Transport-Security
max-age=106384710; includeSubDomains; preload
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://wikipedia.org/HTTP 301

    → https://wikipedia.org/

  2. 2.https://wikipedia.org/HTTP 301

    → https://www.wikipedia.org/

  3. 3.https://www.wikipedia.org/HTTP 200

Meta tags

Title
Wikipedia
Description
Wikipedia is a free online encyclopedia, created and edited by volunteers around the world and hosted by the Wikimedia Foundation.
Canonical
Not set
Robots
Not set
Generator
Not set
Open Graph title
Wikipedia, the free encyclopedia
Open Graph description
Wikipedia is a free online encyclopedia, created and edited by volunteers around the world and hosted by the Wikimedia Foundation.
Open Graph image
https://upload.wikimedia.org/wikipedia/en/thumb/8/80/Wikipedia-logo-v2.svg/250px-Wikipedia-logo-v2.svg.png
Open Graph type
website
Twitter card
Not set
Twitter title
Not set
Twitter image
Not set

robots.txt

Disallow rules (User-agent: *)
428
Disallow rules (other agents)
30

Sitemap declared:

  • https://en.wikipedia.org/w/rest.php/site/v1/sitemap/0

Technology detected

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

  • Cloudflarecdn

    Server: cloudflare

Related domains

Linked with wikipedia.org

Domains that link to it or that it links to, best connected first.

Similar connectivity

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