Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
uhb.nhs.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-30 06:00:49 UTC · ↺ Refresh
MX Hostnames
- uhb-nhs-uk.mail.protection.outlook.com
MX Priorities
- uhb-nhs-uk.mail.protection.outlook.com: 0
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 52.101.89.0 ↩ mail-lo2p265cu02300.inbound.protection.outlook.com
- 52.101.99.2 ↩ mail-cwxp265cu00502.inbound.protection.outlook.com
- 52.101.89.1 ↩ mail-lo0p265cu00201.inbound.protection.outlook.com
- 52.101.99.0 ↩ mail-cwxp265cu00600.inbound.protection.outlook.com
- 2a01:111:f403:ca1a:: ↩ mail-cwxp265cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca0b:: ↩ mail-lo2p265cu02300.inbound.protection.outlook.com
- 2a01:111:f403:ca1a::1 ↩ mail-cwxp265cu00601.inbound.protection.outlook.com
- 2a01:111:f403:ca0b::2 ↩ mail-lo0p265cu00202.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.nhs.uk hostmaster.nominet.uk 2026032402 10800 3600 604800 3600
Primary NS (mname)
ns1.nhs.uk
Admin Email (rname)
hostmaster@nominet.uk
Serial
2026032402
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns3.nhs.uk
ns4.nhs.uk
ns1.nhs.uk
ns2.nhs.uk
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.nhs.net include:spf.uk.signature365.net include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]; fo=1; pct=100;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
mail._domainkey
✓ Public key: 216 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
5 records- SPFv=spf1 include:_spf.nhs.net include:spf.uk.signature365.net include:spf.protection.outlook.com -all
- MS=ms25162218
- have-i-been-pwned-verification=d547b52b3f3c2c84c1fc772dac3239ea
- google-site-verification=ERErwMSN9QegL50tZ65FCZG34eUx5stw13OM0TYDOHM
- access-domain-verification=b8eea995c7aaadaff30e25f27dcb54b1b6fc82c86e9438225cd3bbe781c336f3
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