rutc.ac.uk

Observed Jul 27, 2026, 03:57 UTC (6d 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.

Verify this receipt yourself + Watch this domain

Up right now

Email byMicrosoft 365

Secured byLet's Encrypt

majestic

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

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

rutc.ac.uk

A / AAAA

103.77.224.15

unattributedserves the site

ns11.ja.netns10.ja.netns12.ja.net

ja.netanswers its DNS

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

Microsoft 365receives its email

TLS

rutc.ac.uk

Let's Encryptissued its certificate

DNS Records

A 1

103.77.224.15

MX 1

0rutc-ac-uk.mail.protection.outlook.com

TXT 5

v=spf1 ip4:45.131.139.154 ip4:212.219.97.4 ip4:94.229.163.120 +a +mx ip4:51.179.205.89 include:spf.esvacloud.com include:spf.protection.outlook.com a:relay01.libraesva.com include:rutc.esvacloud.com include:rutc-ac-uk.mail.protection.outlook.com include:students-ac-uk.mail.protection.outlook.com include:ciphr247.com -all
QuoVadis=f4435b8b-183f-4f1b-8fc4-0a5d5cd280e3
B19881A2-7897-41BD-B675-0466FC9904F9
adobe-idp-site-verification=dd01abf1-bbfe-49e2-9fad-42a20af1e9a3
MS=ms12702890

NS 3

ns11.ja.net
ns10.ja.net
ns12.ja.net

SOA 1

ns11.ja.net hostmaster.ns11.ja.net

SRV 1

autodiscover.outlook.com:443 p10

TLS Certificates (3)

Common Name	Issuer	Expires
`rutc.ac.uk`	C=US, O=Let's Encrypt, CN=YR1	Sun, 25 Oct 2026 01:13:37 +0000
`YR1`	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 (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 receipt

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

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

Ed25519 Receipt

Receipt ID: rcpt_c75c866ae356a9fa
Output Hash: a2b9bfa6a6f301908f7bf0d4ad94d8990ee18775c34e84ab04ad7f4888b57ea5
Signature: ed25519:d6908657d1c0b5e2822e538f1c6b4b3798ad4a8bccce7d4e7b374a3291f00099ea0394bbe03c19b27bb0e626769eb43d40b03a65e62537613cbabb4e85a2ee06
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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