Open Authority Rating
ed.ac.uk
60/100
- Harmonic centrality rank
- #1,591
- PageRank rank
- #3,052
- Crawled hosts
- 2,621
- Crawl release
- cc-main-2026-aug-sep-oct
- Last computed
- Oct 28, 2026
Stronger than 99.99% of the 134,979,706 ranked domains (by harmonic centrality).
About this domain
- Registered
- unavailable
- Registrar
- unavailable
- Registration expires
- unavailable
- Hosting country
- GB
- Hosting provider
- JANET Jisc Services Limited
- IPv6
- no
- Email (MX)
- yes
- Nameservers
- ns4.ja.net, cancer.ucs.ed.ac.uk, lewis.ucs.ed.ac.uk, xlab-0.ed.ac.uk
- TLS certificate
- couldn't be checked — we'll retry
- Certificate valid until
- couldn't be checked — we'll retry
- Homepage
- couldn't be checked — we'll retry
- Page title
- couldn't be checked — we'll retry
- Declared language
- couldn't be checked — we'll retry
Sources & freshness
- Registration: via rdap:rdap.nominet.uk, fetched Oct 28, 2026 (unavailable)
- DNS: via doh, fetched Oct 28, 2026
- Hosting (IP→ASN): via iptoasn.com, fetched Oct 28, 2026
- TLS: via tls-handshake, fetched Oct 28, 2026 (couldn't be checked — we'll retry)
- Homepage: via homepage-fetch, fetched Oct 28, 2026 (couldn't be checked — we'll retry)
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 | 60 |
| cc-main-2026-may-jun-jul | 60 |
| cc-main-2026-jun-jul-aug | 60 |
| cc-main-2026-jul-aug-sep | 59 |
| cc-main-2026-aug-sep-oct | 60 |
Dashed marks are crawl releases where ed.ac.uk wasn’t in the link graph; gaps are shown honestly, never interpolated.