uclh.nhs.uk
Observed Jul 24, 2026, 17:52 UTC (1d 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.
Guarded by a firewall
Runs onCloudflare
Secured bySectigo
1 subdomain · push_legacy
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat uclh.nhs.uk actually stands on - every host below is a signed observation
uclh.nhs.uk
A / AAAA
104.20.3.231
Cloudflareserves the site
NS
ns1.nhs.ukns2.nhs.ukns3.nhs.ukns4.nhs.uk
nhs.ukanswers its DNS
MX
mail.nhs.uk
nhs.ukreceives its email
TLS
uclh.nhs.uk
Sectigo Limitedissued its certificate
DNS Records
A 1
104.20.3.231
MX 1
50mail.nhs.uk
TXT 8
MS=ms39910975MS=ms54935371MS=ms76823341_60a4w8scr50fnipsfpfngtv47pg9k78v=spf1 ip4:185.220.61.90 include:_spf.nhs.net include:outboundmail.blackbaud.net ~allv=DMARC1; p=none; rua=mailto:uclh.dmarc@nhs.netglobalsign-domain-verification=C0B620546831CF1A1AB4BD5B9B39B4F8globalsign-domain-verification=C0B620546831CF1A1AB4BD5B9B39B4F8
NS 4
ns1.nhs.ukns2.nhs.ukns3.nhs.ukns4.nhs.uk
SOA 1
ns1.nhs.uk hostmaster.nominet.uk
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
uclh.nhs.uk |
C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication CA DV R36 | Fri, 18 Dec 2026 23:59:59 +0000 |
Sectigo Public Server Authentication CA DV R36 |
C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication Root R46 | Fri, 21 Mar 2036 23:59:59 +0000 |
Sectigo Public Server Authentication Root R46 |
C=US, ST=New Jersey, L=Jersey City, O=The USERTRUST Network, CN=USERTrust RSA Certification Authority | Mon, 18 Jan 2038 23:59:59 +0000 |
USERTrust RSA Certification Authority |
C=GB, ST=Greater Manchester, L=Salford, O=Comodo CA Limited, CN=AAA Certificate Services | Sun, 31 Dec 2028 23:59:59 +0000 |
Subdomains (1)
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_492ad4a39b21880f- Output Hash
3d4e425185b8c0240c96abe8600ce637dbd9a2ae29ed7b122a0593ff35cc211d- Signature
ed25519:4fb343ba557b0fb040bee7ae06f23a6d9cf683475ac785ce004a1c031116104b6598d45d82bbcd34bf372f8cbd88d328863c4b509bd92811ec37e59a3bc6f208- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast