Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
uhs.nhs.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-26 21:44:32 UTC · ↺ Refresh
MX Hostnames
- uhs-nhs-uk.mail.protection.outlook.com
MX Priorities
- uhs-nhs-uk.mail.protection.outlook.com: 5
A / AAAA Records
- 185.18.139.230 (no PTR)
Mail Server IPs
- 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
- 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
- 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.nhs.uk hostmaster.nominet.uk 2026012303 10800 3600 604800 3600
Primary NS (mname)
ns1.nhs.uk
Admin Email (rname)
hostmaster@nominet.uk
Serial
2026012303
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns1.nhs.uk
ns2.nhs.uk
ns3.nhs.uk
ns4.nhs.uk
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:141.145.47.18 ip4:141.145.47.19 include:_spf.nhs.net include:spf.protection.outlook.com include:_spf.zengenti.com include:spf.ssmx.net include:spfa.cpmails.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;rua=mailto:[email protected],mailto:[email protected];ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
7 records- tmes=b7409a6a4bb7b70ef684eeb3c0c713a6
- ms-domain-verification=c99b33f5-1000-476a-9ef4-eb832f6a4dd2
- atlassian-domain-verification=VZ3e8yqmZeDqRBFHbw97M55vF4BHnhvvEj4d/WaygPqR6z14zwect9444Dwytck6
- SPFv=spf1 mx ip4:141.145.47.18 ip4:141.145.47.19 include:_spf.nhs.net include:spf.protection.outlook.com include:_spf.zengenti.com include:spf.ssmx.net include:spfa.cpmails.com -all
- MS=ms15337041
- 9mm88c3ip8quiufc6orilpt5l0
- 3mwm6qh3pq9n786njv8xn3538k4zq46d
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