stfc.ac.uk

Observed Jul 18, 2026, 13:50 UTC (2d ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onJisc Services Limited

Email byMicrosoft 365

Secured byLet's Encrypt

Also usesMiroZoomGoogle Search ConsoleAtlassian

1 subdomain · tranco_40k

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

INFRASTRUCTURE MAPwhat stfc.ac.uk actually stands on - every host below is a signed observation

stfc.ac.uk

A / AAAA

149.155.63.57

Jisc Services Limitedserves the site

edns3.stfc.ac.ukedns2.stfc.ac.ukedns1.stfc.ac.ukedns4.stfc.ac.uk

stfc.ac.ukanswers its DNS

stfc-ac-uk.mail.protection.outlook.com

Microsoft 365receives its email

TLS

www.stfc.ac.uk

Let's Encryptissued its certificate

DNS Records

A 1

149.155.63.57

MX 1

1stfc-ac-uk.mail.protection.outlook.com

TXT 24

ciscocidomainverification=1c8f3fe61b8a4cadabaf1ae66e3678c51d65917be035b60657bcb43d5c1bc91e
tmnN6PmPi+s3imtPJV35x0bsR4hR5CVDKo1KWBxgK/aFy7VvaGOpAQ5Q3xKYwv/sFN/gxqjGlBc7F3XETj0XWw==
JXgAj9iHJgH2gh1WEM16eABkkNqP7BPkepLl57T5wweLpBQQsR/4+ZrAm2N2Ux/F7X6DQvnkk0U7mrh1lOG3SA==
v=spf1 include:spf1.stfc.ac.uk include:spf2.stfc.ac.uk include:spf3.stfc.ac.uk ~all
miro-verification=fcc69ce138a4dfc657db079ee981e2c3bcfe7bf1
amazonses:Nif7uhyMmTXXj9aMmS2yI31prn7dXGtJNe2VdqYCH9Q=
QuoVadis=ec3e57a8-9049-440d-99b1-d438bd48e67c
QuoVadis=5564dce4-8a23-4df4-9c72-9f327d4411ac
apple-domain-verification=KY0hOvJwYAVd6KyT
63DDEE04-3442-4628-B7EE-891C6E56C841

NS 4

edns3.stfc.ac.uk
edns2.stfc.ac.uk
edns1.stfc.ac.uk
edns4.stfc.ac.uk

SOA 1

edns1.stfc.ac.uk hostmaster.rl.ac.uk

TLS Certificates (3)

Common Name	Issuer	Expires
`www.stfc.ac.uk`	C=US, O=Let's Encrypt, CN=YR2	Tue, 13 Oct 2026 10:35:41 +0000
`YR2`	C=US, O=ISRG, CN=Root YR	Sat, 02 Sep 2028 23:59:59 +0000
`Root YR`	C=US, O=Internet Security Research Group, CN=ISRG Root X1	Thu, 02 Sep 2032 23:59:59 +0000

Subdomains (1)

www.stfc.ac.uk

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

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

Ed25519 Receipt

Receipt ID: d6c08c06-8b61-46cd-a2cd-148d7f15f3d8
Output Hash: 1e955dacacebcbc2413baade7cc592eefa68203f2b330e688a9af90c6bc6a4ba
Signature: ed25519:d9152083e2c6f2cd861f3c53c50c76ff025cd101318df09892ce2ce7ef272c3231d31f7e1fa1c57b32f87e8bb8c1f715a5d8916b34cb05574d4bbca9c54c0a05
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

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