aup.ac.uk
Observed Aug 10, 2026, 03:18 UTC (11h 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 onAmazon
Email byGoogle Workspace
Secured byLet's Encrypt
Also usesGoogle Search Console
majestic
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat aup.ac.uk actually stands on - every host below is a signed observation
aup.ac.uk
A / AAAA
76.76.21.21
Amazonserves the site
NS
ns3.ja.netdns2.aup.ac.uk
ja.net + aup.ac.ukanswers its DNS
MX
alt4.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comalt1.aspmx.l.google.com+1 more
Google Workspacereceives its email
TLS
aup.ac.uk
Let's Encryptissued its certificate
DNS Records
A 1
76.76.21.21
MX 5
10alt4.aspmx.l.google.com5alt2.aspmx.l.google.com1aspmx.l.google.com5alt1.aspmx.l.google.com10alt3.aspmx.l.google.com
TXT 8
v=spf1 ip4:76.76.21.21 ip4:52.51.14.37 include:_spf.elasticemail.com include:_spf.google.com ~alladobe-idp-site-verification=0623eb05070ab31b2b0313efeec6149d7d3461ea1472f7996948f4de35cd88c3MS=ms82875117apple-domain-verification=EaUTfuEOfsW3iIPqjamf-site-verification=uJAUTsUFUXBuSzOScEucLwgoogle-site-verification=jybFBogRS2-o_lZOcfzt-SqtWuMv5jz6idLloig-XTogoogle-site-verification=pxjsm50A4VsaI7G0lK9Ud_ObXLMIARAu6XtjQ2pyGDQgoogle-site-verification=inKx1cVkcyuQqVF8j1cWCoEVN2eTxFwaflNYOYH2fpM
NS 2
ns3.ja.netdns2.aup.ac.uk
SOA 1
dns2 hostmaster
DMARC_RECORDS 1
v=DMARC1; p=quarantine; rua=mailto:dmarc-rua@dmarc.service.gov.uk, mailto:dmarc-reports@aup.ac.uk, mailto:dmarc@wn78kr85.uriports.com; ruf=mailto:dmarc@wn78kr85.uriports.com; pct=100; adkim=r; aspf=r;
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
aup.ac.uk |
C=US, O=Let's Encrypt, CN=YR2 | Sat, 12 Sep 2026 02:49:19 +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 (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; the only network request the check makes is for the published public keys.
Verify this receiptEd25519 Receipt
- Receipt ID
rcpt_fef4ccd1074f52a4- Output Hash
a6ee3c2f6df1da84204b0d33ed12d67e81102155f72cf788eea8040301fe91b9- Signature
ed25519:9f43433e65a62a050816892017681e1f3b11043a98345afa8bba94bcd15e60db41572ad7c89c5707e2a78b363487ed2e85e1db0e7eafb171cb7f1ecccaf88a03- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast