york.ac.uk

Observed Jul 24, 2026, 02:49 UTC (22m 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

Runs onCloudflare

Email byGoogle Workspace

Secured bySectigo

Also usesDocuSignAtlassian

IPv6 · 2 subdomains · push_legacy

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

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

york.ac.uk

A / AAAA

144.32.128.1152001:630:61:180::1:73

Cloudflareserves the site

ns1.york.ac.ukauth1.dns.cam.ac.ukns0.york.ac.ukns2.york.ac.uk

york.ac.uk + cam.ac.ukanswers its DNS

alt1.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.com+1 more

Google Workspacereceives its email

TLS

www.york.ac.uk

Sectigo Limitedissued its certificate

DNS Records

A 1

144.32.128.115

AAAA 1

2001:630:61:180::1:73

MX 5

5alt1.aspmx.l.google.com
10alt3.aspmx.l.google.com
10alt4.aspmx.l.google.com
1aspmx.l.google.com
5alt2.aspmx.l.google.com

TXT 10

9j7dn62br4c9bj3rc1ug6mal1q
docusign=15f9236f-fcc7-43a8-b92d-a7f61feaf46b
atlassian-domain-verification=Yhq9OnKNxMwugKi1gcSWjAn1xqUW9Ig4EjWsmd0f/xoTFwDaWmLoQpZ3Z0YKi1zw
formstack-domain-verification=8f07a12621b9628970ca76f97743e294
twilio-domain-verification=1395e7d15ae1fac1a10b8a7b0ad5e66e
375dd32a0890c84486ec4d5935ed4fbb2f77b2fca3b6e27596
v=spf1 include:_spf.york.ac.uk include:_spf.google.com -all
hpe-greenlake-domain-verification=7a58677678314133754e6c2d736348414455503633784161346d494232534d6a
mandrill_verify.3Ru1mvZzZJy5d2dGlzkKaQ
v=DMARC1; p=reject; sp=reject; adkim=s; aspf=r; rua=mailto:JFF2GGVkzEr@dmarc-rua.mailcheck.service.ncsc.gov.uk;

NS 4

ns1.york.ac.uk
auth1.dns.cam.ac.uk
ns0.york.ac.uk
ns2.york.ac.uk

SOA 1

nse0m.york.ac.uk hostmaster.york.ac.uk

SRV 10

talk3.l.google.com:5222 p20
talk2.l.google.com:5222 p20
talk4.l.google.com:5222 p20
talk1.l.google.com:5222 p20
talk.l.google.com:5222 p5
xmpp-server4.l.google.com:5269 p20
xmpp-server1.l.google.com:5269 p20
xmpp-server.l.google.com:5269 p5
xmpp-server3.l.google.com:5269 p20
xmpp-server2.l.google.com:5269 p20

CAA 14

issue "digicert.com"
issuewild "letsencrypt.org; accounturi=https://acme-v02.api.letsencrypt.org/acme/acct/3235853391; validationmethods=dns-01"
issuemail "pki.goog"
issue "awstrust.com"
issue "letsencrypt.org"
issue "pki.goog"
issuewild "letsencrypt.org; accounturi=https://acme-v02.api.letsencrypt.org/acme/acct/3268841801; validationmethods=dns-01"
issuewild "awstrust.com"
iodef "mailto:cert@york.ac.uk"
issuevmc ";"

TLS Certificates (3)

Common Name	Issuer	Expires
`www.york.ac.uk`	C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication CA OV E36	Wed, 14 Oct 2026 23:59:59 +0000
`Sectigo Public Server Authentication CA OV E36`	C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication Root E46	Fri, 21 Mar 2036 23:59:59 +0000
`Sectigo Public Server Authentication Root E46`	C=US, ST=New Jersey, L=Jersey City, O=The USERTRUST Network, CN=USERTrust ECC Certification Authority	Mon, 18 Jan 2038 23:59:59 +0000

Subdomains (2)

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

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

Ed25519 Receipt

Receipt ID: rcpt_ca49baec30267af9
Output Hash: 43475bae096a0da34d5a619d31bb0c34b2ba182ec3f2a0bc80a98fdd64651ca1
Signature: ed25519:23f04f83dac057265500348a7d44723df2a6756f6b3180fd53111323dfae0ca6e05db7eaca2be10ec50b4d44f0f1e2d12be15aefb9ef8befd2769a659fd5e909
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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