HOW.IS
?

How is www.nhs.uk?

Not sure yet risk 10/100

On no blocklists we checked, valid HTTPS, the site answered 200 in 270 ms.

Why

02050100
finecarefulhigh risk
  • +10The registry did not report a usable creation date.
  • ·Could not check domain age; retry before trusting this domain.

Rule-based: domain age, blocklists, TLS. A heuristic, not a guarantee.

How www.nhs.uk looks right now
The home page, rendered by how.is in a sandboxed browser. Nothing on it is clickable here.
Site
200
270 ms
HTTPS
77 d
left on a DigiCert Inc certificate
Age
?
creation date not reported
Blocklists
0
listings across 5 lists

Everything we looked at

DNS records4 record types
A4.158.93.42
MX50 mail.nhs.uk
NSns4.nhs.uk
ns1.nhs.uk
ns2.nhs.uk
ns3.nhs.uk
TXTfacebook-domain-verification=lv7tnthk77oqcuocg7u86rnoafjj3z
apple-domain-verification=NiFUi4F53AsxfAxv
_8qn8jz0octd5khtd2sv0ujib7m0zhc7.dcv.digicert.com
google-site-verification=dwWXwcFQckdoNrWU_5siMlG_aXHlXMhkddd7xDehP5c
_l544omj1zihp4qg74dqdk9btaobwyrz
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
64gp3t2128n6avl30cct29hmtq
RegistrationNominet UK
registrarNominet UK
last changed2026-10-31
nameserversns1.nhs.uk.
ns2.nhs.uk.
ns3.nhs.uk.
ns4.nhs.uk.
statusserver update prohibited
server delete prohibited
server transfer prohibited
HTTPS certificate77 days left
validyes
issuerDigiCert Inc
coversnhs.uk
protocolTLSv1.2
issued 2026-07-02expires 2027-01-16
DNSSECinsecure

Domain is not signed with DNSSEC

. → uk → nhs.uk
Email authenticationgood
SPFpass 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
DMARCpass policy reject
DKIMnone of 1 common selectors

Whether mail claiming to be from this domain can be checked as genuine.

Security scoregrade B · 150/205
Basic Security
10/40missing: DNSSEC Enabled, Nameserver Diversity
Record Security
30/45missing: CAA Records, DKIM Presence
Advanced Security
15/25missing: Mail Server Configuration, IPv6 Support
Domain Reputation
50/50
Threat Detection
45/45missing: Domain Age Check
Blocklists0 listings · 5 lookups
SURBL MultidomainURIBL MultidomainSpamCop4.158.93.42Barracuda4.158.93.42UCEPROTECT Level 14.158.93.42

Green: clean. Red: listed. Grey: the list did not answer.

Ask it yourself

Agents get this as data. Bought through the API, the checks behind this page cost $0.070: profile $0.025 + trust $0.020 + screenshot $0.020 + site status $0.005.

curl "https://how.is/v1/domain/trust?domain=www.nhs.uk" \ -H "Authorization: Bearer $HOWIS_KEY" # or pay per call in USDC (x402), no key: the 402 tells your agent the price curl -i "https://how.is/v1/domain/profile?domain=www.nhs.uk"

MCP: add https://how.is/mcp to Claude, Codex or Cursor (one-line install) and ask for domain_trust on www.nhs.uk. Reference: /llms.txt.

IPv6. IPv6 readiness grade for www.nhs.uk Does www.nhs.uk work over IPv6? See the live check on aaaa.bot — website, mail and nameservers, graded A–F.

Watch www.nhs.uk. DNS read at the source every 5 minutes; certificate, blocklists and expiry every 6 hours. You get an email only when something changes.

Watch — $1 / 30 days