yorksu.org
Observed Jul 27, 2026, 19:23 UTC (5d 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.
Up right now
Runs onCloudflare
Email byGoogle Workspace
Secured byGoogle Trust Services
Also usesGoogle Search ConsoleAtlassian
IPv6 · domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat yorksu.org actually stands on - every host below is a signed observation
yorksu.org
A / AAAA
104.21.45.65172.67.210.1892606:4700:3030::6815:2d412606:4700:3033::ac43:d2bd
Cloudflareserves the site
NS
samara.ns.cloudflare.comgabriel.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
aspmx.l.google.comalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.com+1 more
Google Workspacereceives its email
TLS
yorksu.org
Google Trust Servicesissued its certificate
DNS Records
A 2
104.21.45.65172.67.210.189
AAAA 2
2606:4700:3030::6815:2d412606:4700:3033::ac43:d2bd
MX 5
1aspmx.l.google.com5alt1.aspmx.l.google.com5alt2.aspmx.l.google.com10alt3.aspmx.l.google.com10alt4.aspmx.l.google.com
TXT 8
MS=ms66708644intacct-esk=3A7127B786154D62E0635A06450A2692canva-site-verification=HmlcItmcueGsnXMZ5yzhpQgoogle-site-verification=m-zlBYfieIWBOTqHE4aKellXbXLwmszsdRPK4tr3sBwadobe-idp-site-verification=dab95e93cf87d1c73a668ce9db9fcba531054204c84e95aee818747954a78725atlassian-domain-verification=f3z3vN/qM14uCSLyJkUEwMbS6LOTa8CAhGvxVCQl7vThpeHZy/CspnTpw141s3Nuv=spf1 include:_spf.intacct.com include:_spf.york.ac.uk include:_spf.google.com include:sparkpostmail.com ~allv=DMARC1; p=reject; sp=reject; adkim=s; aspf=r; rua=mailto:36201e58e54745158468223d87c0fb47@dmarc-reports.cloudflare.net,mailto:dmarc-rua@dmarc.service.gov.uk;
NS 2
samara.ns.cloudflare.comgabriel.ns.cloudflare.com
SOA 1
gabriel.ns.cloudflare.com dns.cloudflare.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
yorksu.org |
C=US, O=Google Trust Services, CN=WE1 | Wed, 07 Oct 2026 03:47:49 +0000 |
WE1 |
C=US, O=Google Trust Services LLC, CN=GTS Root R4 | Tue, 20 Feb 2029 14:00:00 +0000 |
GTS Root R4 |
C=BE, O=GlobalSign nv-sa, 2.5.4.11=Root CA, CN=GlobalSign Root CA | Fri, 28 Jan 2028 00:00:42 +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 receiptEd25519 Receipt
- Receipt ID
rcpt_ca92e47cb9a52057- Output Hash
47e1468588ff0752d3d249e9ff261298225c3fd9ae5028c7691dbb12acf4d89c- Signature
ed25519:b0dc8a497bd27ad534e68d49252c8455f3d54dce25697fd70604817a4198def0ca83d2ad1903ac157019d81f062fa6cd48a1576dbcbaffc3d60fcdbaf578c90a- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast