CONTINUOUS INTERNET TELEMETRY24H DRIFT330 material changesacross 284 domains · -328 vs yesterdayCERT DRIFT3 domains switched issuing CA24h · +1 vs yesterdayNOW3,458 curated domains not answering+629 vs yesterdayERRORS22,811 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED63,407 throttled or blocked our scanner429 rate-limit / 403 bot-block24H DRIFT330 material changesacross 284 domains · -328 vs yesterdayCERT DRIFT3 domains switched issuing CA24h · +1 vs yesterdayNOW3,458 curated domains not answering+629 vs yesterdayERRORS22,811 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED63,407 throttled or blocked our scanner429 rate-limit / 403 bot-block

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

  • 1.2.3.4
  • v=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 -all
  • apple-domain-verification=NiFUi4F53AsxfAxv
  • facebook-domain-verification=lv7tnthk77oqcuocg7u86rnoafjj3z
  • google-site-verification=dwWXwcFQckdoNrWU_5siMlG_aXHlXMhkddd7xDehP5c
  • 64gp3t2128n6avl30cct29hmtq
  • _8qn8jz0octd5khtd2sv0ujib7m0zhc7.dcv.digicert.com
  • v=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.uk
  • ns2.nhs.uk
  • ns3.nhs.uk
  • ns4.nhs.uk

SOA 1

  • ns1.nhs.uk hostmaster.nominet.uk

TLS Certificates (3)

Common NameIssuerExpires
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 receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for nhs.uk. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
575831af-ef20-46ef-a230-fda8024f8391
Output Hash
951f18fda7e5e271825da77581ef67871b3d76dcb4dc76f7f5662ffedeadc696
Signature
ed25519:baaaaf403592df80b905e58db52cca35361d9a2918ca69f114732412fe66185bb78c9ec5c5424f31a2903e8e6964f22a5ad347cad820d6187fc8e1ec8d7ced07
Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent
(genesis)
Plane
fast
Verify this in your browser