Open Authority Rating
wikipedia.org
84/100
- Harmonic centrality rank
- #14
- PageRank rank
- #38
- Crawled hosts
- 2,204
- Crawl release
- cc-main-2026-may-jun-jul
- Last computed
- Aug 3, 2026
Stronger than 99.99% of the 117,963,409 ranked domains (by harmonic centrality).
About this domain
- Registered
- Jan 13, 2001
- Registrar
- MarkMonitor Inc.
- Registration expires
- Jan 13, 2027
- Hosting country
- US
- Hosting provider
- WIKIMEDIA
- IPv6
- yes (AAAA)
- Email (MX)
- yes
- Nameservers
- ns0.wikimedia.org, ns1.wikimedia.org, ns2.wikimedia.org
- TLS certificate
- Let's Encrypt
- Certificate valid until
- Nov 3, 2026
- Homepage
- HTTP 200 after 1 redirect
- Page title
- Wikipedia
- Declared language
- en
Sources & freshness
- Registration: via rdap:rdap.publicinterestregistry.org, fetched Aug 15, 2026
- DNS: via doh, fetched Aug 15, 2026
- Hosting (IP→ASN): via iptoasn.com, fetched Aug 15, 2026
- TLS: via tls-handshake, fetched Aug 15, 2026
- Homepage: via homepage-fetch, fetched Aug 15, 2026
Facts we can’t prove are shown as unavailable — never estimated. Data refreshes roughly monthly.
OAR across crawl releases
| Crawl release | OAR |
|---|---|
| cc-main-2026-apr-may-jun | 84 |
| cc-main-2026-may-jun-jul | 84 |
Dashed marks are crawl releases where wikipedia.org wasn’t in the link graph; gaps are shown honestly, never interpolated.