nhs.uk
Observed Jul 18, 2026, 12:42 UTC (2d ago). Every field below was attested with an Ed25519 signature at scan time.
Up right now
Runs onMicrosoft Corporation
Email byMandrill (Mailchimp)
Secured byDigiCert
Registered withNominet UK
Also usesFacebook/MetaGoogle Search Console
healthcare
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat nhs.uk actually stands on - every host below is a signed observation
nhs.uk
A / AAAA
4.158.93.42
Microsoft Corporationserves the site
NS
ns1.nhs.ukns2.nhs.ukns3.nhs.ukns4.nhs.uk
nhs.ukanswers its DNS
MX
mail.nhs.uk
Mandrill (Mailchimp)receives its email
TLS
nhs.uk
DigiCert Incissued its certificate
DNS Records
A 1
4.158.93.42
MX 1
50mail.nhs.uk
TXT 8
1.2.3.4v=spf1 ip4:195.104.77.0/23 ip4:10.176.129.120 ip4:10.228.178.230 ip4:194.72.83.215 ip4:194.72.83.216 ip4:194.155.93.52/31 include:esa1.hc1668-91.c3s2.iphmx.com include:esa2.hc1668-91.c3s2.iphmx.com include:spf.protection.outlook.com include:_spf.nhs.net include:spf.mandrillapp.com -allapple-domain-verification=NiFUi4F53AsxfAxvfacebook-domain-verification=lv7tnthk77oqcuocg7u86rnoafjj3zgoogle-site-verification=dwWXwcFQckdoNrWU_5siMlG_aXHlXMhkddd7xDehP5c64gp3t2128n6avl30cct29hmtq_8qn8jz0octd5khtd2sv0ujib7m0zhc7.dcv.digicert.comv=DMARC1; p=reject; sp=none;adkim=s;aspf=s;fo=1; rua=mailto:A-NE.postmaster@nhs.net,mailto:dmarc-rua@dmarc.service.gov.uk
NS 4
ns1.nhs.ukns2.nhs.ukns3.nhs.ukns4.nhs.uk
SOA 1
ns1.nhs.uk hostmaster.nominet.uk
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
nhs.uk |
C=US, O=DigiCert Inc, CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1 | Sat, 16 Jan 2027 23:59:59 +0000 |
DigiCert Global G2 TLS RSA SHA256 2020 CA1 |
C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=DigiCert Global Root G2 | Sat, 29 Mar 2031 23:59:59 +0000 |
DigiCert Global Root G2 |
C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=DigiCert Global Root G2 | Fri, 15 Jan 2038 12:00:00 +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
575831af-ef20-46ef-a230-fda8024f8391- Output Hash
951f18fda7e5e271825da77581ef67871b3d76dcb4dc76f7f5662ffedeadc696- Signature
ed25519:baaaaf403592df80b905e58db52cca35361d9a2918ca69f114732412fe66185bb78c9ec5c5424f31a2903e8e6964f22a5ad347cad820d6187fc8e1ec8d7ced07- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast