nhs.uk

Valid Email Server
Domain Lookup › nhs.uk

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
nhs.uk
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-23 16:25:05 UTC · ↺ Refresh

MX Hostnames

  • mail.nhs.uk

MX Priorities

  • mail.nhs.uk: 50

A / AAAA Records

  • 4.158.93.42 (no PTR)

Mail Server IPs

  • 155.231.208.3 ↩ mail1.nhs.net

SOA Record

Raw SOA ns1.nhs.uk hostmaster.nominet.uk 2026032314 10800 3600 604800 3600
Primary NS (mname)
ns1.nhs.uk
Admin Email (rname)
hostmaster@nominet.uk
Serial
2026032314
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns2.nhs.uk
ns3.nhs.uk
ns4.nhs.uk
ns1.nhs.uk

SPF Record

✓ Strict (-all)
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
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; sp=none;adkim=s;aspf=s;fo=1; rua=mailto:[email protected],mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Strict · DKIM alignment: Strict
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: none

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

6 records
  • apple-domain-verification=NiFUi4F53AsxfAxv
  • facebook-domain-verification=lv7tnthk77oqcuocg7u86rnoafjj3z
  • google-site-verification=dwWXwcFQckdoNrWU_5siMlG_aXHlXMhkddd7xDehP5c
  • SPFv=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
  • 1.2.3.4
  • or0pq2al2vusd6m6cdohv3rerc
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