stem.org.uk

Observed Jul 18, 2026, 23:19 UTC (2h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Email byMicrosoft 365

Registered withSTEM Learning Limited t/a National STEM Learning Centre

Also usesGoogle Search ConsoleAtlassian

3 subdomains · tranco_100k

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

INFRASTRUCTURE MAPwhat stem.org.uk actually stands on - every host below is a signed observation

stem.org.uk

A / AAAA

216.150.1.1

Cloudflareserves the site

pranab.ns.cloudflare.comliv.ns.cloudflare.com

cloudflare.comanswers its DNS

stem-org-uk.mail.protection.outlook.com

Microsoft 365receives its email

HTTPS probe

redirect Redirecting (3xx) 301 → https://www.stem.org.uk/

HTTP status301

Servercloudflare

TLS protocolHTTP/2

TLS issuernot observed

Behind Cloudflareyes

Response time19 ms

DNS resolutionNOERROR

Redirect chain

https://www.stem.org.uk/

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

DNS Records

A 1

216.150.1.1

MX 1

0stem-org-uk.mail.protection.outlook.com

TXT 19

adobe-idp-site-verification=4c220610-0187-4b23-9b40-87a7a0c43c25
48on5io73kddtvb3aeqhgfuaoc
8573F420-F87A-4CF1-8099-B51AD04BB7F0
google-site-verification=VL6YTvqaktwpcRESYyY-xZ9mglrrbYzD0nsBFC-OORw
n4cipc5s9rcmprm9iru1s9jjf3
openai-domain-verification=dv-XuNMCM8mqBrrcrgF6a4TCeCL
google-site-verification=Xm3ra2yBhSDCZh0Rt5d6Sy_p_Uqyp9B2uIcrGLZ6uJ4
atlassian-domain-verification=7DCoitX466nfLtf0snalk/KGrgiCS4LXwMDAgRDHBSXIRPqKNNCYdaXCX6t8cAyg
google-site-verification=-DrYnmDKZ0pXMbe97dfq5kQjit_n2pmiB12ui3xetXU
msfpkey=74s7rgyssvurslabtit9cm44e

NS 2

pranab.ns.cloudflare.com
liv.ns.cloudflare.com

SOA 1

liv.ns.cloudflare.com dns.cloudflare.com

CAA 14

issuewild letsencrypt.org
issue pki.goog; cansignhttpexchanges=yes
issuewild pki.goog; cansignhttpexchanges=yes
issuewild ssl.com
issue ssl.com
issue digicert.com; cansignhttpexchanges=yes
issue comodoca.com
issue letsencrypt.org
issue amazontrust.com
issue amazonaws.com

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 stem.org.uk. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: fa4b174a-97d0-4afa-95de-8ccdc2451fa7
Output Hash: e4098a876a3b382db81d8eb11a8328e9a8e0b7cf9673fda37216395603cc14a3
Signature: ed25519:ba280bc2a80704301d6484c5e95e2cce10dbca9b1cfd84b16678cf315cf64619feb6519b2bf3fb7d795d8f66c99534d836226fb8702ae01da7cb9c8cc9368602
Public Key: ed25519:7aad40f2d6399c207fe2fc15aade04a78324787a355d36725cc90687f9e10cff
Parent: (genesis)
Plane: fast

Verify this in your browser

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