ox.ac.uk
Observed Jul 21, 2026, 19:11 UTC (17h ago). Every field below was attested with an Ed25519 signature at scan time. Catalog observation, re-checked on rotation — watch it for 5-minute checks.
Up right now
Runs onCloudflare
Secured byLet's Encrypt
Also usesFacebook/MetaGoogle Search Console
institutions
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat ox.ac.uk actually stands on - every host below is a signed observation
ox.ac.uk
A / AAAA
13.51.62.86
Cloudflareserves the site
NS
dns0.ox.ac.ukdns1.ox.ac.ukdns2.ox.ac.ukauth4.dns.ox.ac.uk+2 more
ox.ac.ukanswers its DNS
MX
oxforduni.in.tmes.trendmicro.eu
trendmicro.eureceives its email
TLS
ox.ac.uk
Let's Encryptissued its certificate
DNS Records
A 1
13.51.62.86
MX 1
4oxforduni.in.tmes.trendmicro.eu
TXT 22
facebook-domain-verification=647crbrjssj5mgbuy5ptjl8c6qmh23google-site-verification=qb4BUD5Usjh0Nep0wKIkZIlLSR2rrXsD5PvYGIiKJtAwdc9f05rx6mmn1rgzqrxz8l7ljrn2c5xWtnAjq8L8o3AgONKmYl7NTJrA9qe5GAxdO3xYq1hVcdXZ0THaEYNiyx74cio/8CE8E3rDApP0jojGJhH8mahDw==google-gws-recovery-domain-verification=56795791v=spf1 redirect=_spf.ox.ac.ukjamf-site-verification=z4aTHKJhScEjBS_E-BOcdAMS=ms57844111google-site-verification=xqPbmJpDfZK648oMnCGuFpkn5HJqLhpMRPkss5jEhHk1zl23trd62r8wgvvrv0gjg7z1gxr64gw
NS 6
dns0.ox.ac.ukdns1.ox.ac.ukdns2.ox.ac.ukauth4.dns.ox.ac.ukauth5.dns.ox.ac.ukauth6.dns.ox.ac.uk
SOA 1
raptor.dns.ox.ac.uk hostmaster.ox.ac.uk
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
ox.ac.uk |
C=US, O=Let's Encrypt, CN=YE2 | Sun, 13 Sep 2026 11:09:39 +0000 |
YE2 |
C=US, O=ISRG, CN=Root YE | Sat, 02 Sep 2028 23:59:59 +0000 |
Root YE |
C=US, O=Internet Security Research Group, CN=ISRG Root X2 | Thu, 02 Sep 2032 23:59:59 +0000 |
ISRG Root X2 |
C=US, O=Internet Security Research Group, CN=ISRG Root X1 | Thu, 02 Sep 2032 23:59:59 +0000 |
Subdomains (0)
None observed.
The proof
Signed at scan time. Check the math yourself. Every line above is part of one signed observation. Re-hash it and check the Ed25519 signature in your own browser; nothing leaves your machine.
Verify this receiptEd25519 Receipt
- Receipt ID
rcpt_67e8ccd705f903a2- Output Hash
24b3b45aea6bf4867a46704982fd937af0ab66067a0bf5fc84a2914e041ea4b2- Signature
ed25519:a127bff3a6025b6c418cf3e7f857284e86ecc13a48a045342647e8bbacf3b37f5c65df1b48ca5b35b3c418182b358ef3f1b28b4f5d889c7bedcf9668af0cb70e- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast