Open Authority Rating
eff.org
63/100
- Harmonic centrality rank
- #956
- PageRank rank
- #1,268
- Crawled hosts
- 92
- Crawl release
- cc-main-2026-jun-jul-aug
- Last computed
- Aug 31, 2026
Stronger than 99.99% of the 119,722,885 ranked domains (by harmonic centrality).
About this domain
- Registered
- Oct 10, 1990
- Registrar
- Gandi SAS
- Registration expires
- Oct 9, 2027
- Hosting country
- US
- Hosting provider
- UNWIRED
- IPv6
- no
- Email (MX)
- yes
- Nameservers
- ns1.eff.org, ns2.eff.org, ns4.eff.org
- TLS certificate
- Let's Encrypt
- Certificate valid until
- Oct 30, 2026
- Homepage
- HTTP 200 after 1 redirect
- Page title
- Electronic Frontier Foundation | Defending your rights in the digital world
- Declared language
- en
Sources & freshness
- Registration: via rdap:rdap.publicinterestregistry.org, fetched Aug 29, 2026
- DNS: via doh, fetched Aug 29, 2026
- Hosting (IP→ASN): via iptoasn.com, fetched Aug 29, 2026
- TLS: via tls-handshake, fetched Aug 29, 2026
- Homepage: via homepage-fetch, fetched Aug 29, 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 | 62 |
| cc-main-2026-may-jun-jul | 63 |
| cc-main-2026-jun-jul-aug | 63 |
Dashed marks are crawl releases where eff.org wasn’t in the link graph; gaps are shown honestly, never interpolated.