open.edu

Observed 2026-07-15T10:27:50.199Z (6h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Email byMicrosoft 365

Also usesGoogle Search Console

3 subdomains · push_legacy

Every line above is a signed observation. Check the math at the bottom of the page.

INFRASTRUCTURE MAPwhat open.edu actually stands on - every host below is a signed observation

open.edu

A / AAAA

137.108.200.104

Cloudflareserves the site

nse-2.open.ac.uknse-1.open.ac.uknse-0.open.ac.ukdns3.easydns.org+2 more

open.ac.uk + easydns.org + moreanswers its DNS

open-edu.mail.protection.outlook.com

Microsoft 365receives its email

HTTPS probe

redirect Redirecting (3xx) 302 → https://www.open.edu/

HTTP status302

Servercloudflare

TLS protocolHTTP/2

TLS issuernot observed

Behind Cloudflareyes

Response time798 ms

DNS resolutionNOERROR

Redirect chain

https://www.open.edu/

Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".

DNS Records

A 1

137.108.200.104

MX 1

10open-edu.mail.protection.outlook.com

TXT 5

google-site-verification=KLQmkBsMNGjV3_nUmOkJw07lK3ZIXeFBPvilow84wXk
QuoVadis=9a987046-9ec6-40b4-a739-41ad71aa5c85
B6B0975F-29DA-4863-AD9B-4CE3671954ED
v=spf1 include:spf.protection.outlook.com ip4:137.108.232.47 ip4:137.108.232.48 ip4:137.108.170.8 ip4:137.108.170.38 ip4:137.108.170.40 ip4:137.108.185.44 -all
v=DMARC1;p=quarantine;sp=quarantine;pct=100;rua=mailto:dmarc@open.ac.uk,mailto:e1pWdXALyij@dmarc-rua.mailcheck.service.ncsc.gov.uk

NS 6

nse-2.open.ac.uk
nse-1.open.ac.uk
nse-0.open.ac.uk
dns3.easydns.org
dns1.easydns.com
dns2.easydns.net

SOA 1

nse-0.open.ac.uk hostmaster.open.ac.uk

TLS Certificates (0)

None.

Subdomains (3)

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 receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for open.edu. It updates itself. It attests a signed observation - not that the site is safe.

<a href="https://domaindrift.io/t/open.edu">
  <img src="https://domaindrift.io/badge/open.edu.svg"
       width="300" height="64" alt="DomainDrift signed observations for open.edu">
</a>

Ed25519 Receipt

Receipt ID: 590c2744-195b-4f8a-9df1-e0edc5cbbd7d
Output Hash: 78a3aad907ce119e0da386903359c105b779c4cc68595e5fee8ea862cce7f63e
Signature: ed25519:93ca0b2db696cbf10a0adc5a3c58626230a1160f2c752ca8f80d528a558fd7f2626adfb27553e156b8408e128efea8b207204876ca2f68945eb6d7cb8993db09
Public Key: ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/open.edu