Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
elht.nhs.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-30 05:12:37 UTC · ↺ Refresh
MX Hostnames
- elht-nhs-uk.mail.protection.outlook.com
MX Priorities
- elht-nhs-uk.mail.protection.outlook.com: 0
A / AAAA Records
- 45.60.74.41 (no PTR)
Mail Server IPs
- 52.101.99.0 ↩ mail-cwxp265cu00600.inbound.protection.outlook.com
- 52.101.89.2 ↩ mail-lo3p265cu00302.inbound.protection.outlook.com
- 52.101.99.2 ↩ mail-cwxp265cu00502.inbound.protection.outlook.com
- 52.101.89.1 ↩ mail-lo0p265cu00201.inbound.protection.outlook.com
- 2a01:111:f403:ca0b:: ↩ mail-lo2p265cu02300.inbound.protection.outlook.com
- 2a01:111:f403:ca1a:: ↩ mail-cwxp265cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca0b::2 ↩ mail-lo0p265cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca1a::1 ↩ mail-cwxp265cu00601.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.nhs.uk hostmaster.nominet.uk 2026032501 10800 3600 604800 3600
Primary NS (mname)
ns1.nhs.uk
Admin Email (rname)
hostmaster@nominet.uk
Serial
2026032501
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.protection.outlook.com ip4:178.238.129.79 ip4:82.3.52.143 ip4:217.68.75.106 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;rua=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._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
5 records- sophos-domain-verification=f1939103a0341612611e0668676ab3870eebc094
- y7tVygvOalHm04Jd8fCPdbOx8GtO/bHSQE6XrNqJiTluYVfOVj0p2KZdnB9UQA+7I8KGMg3XJEEAsjNcOPHCAg==
- SPFv=spf1 include:spf.protection.outlook.com ip4:178.238.129.79 ip4:82.3.52.143 ip4:217.68.75.106 -all
- TD4wlMdG
- MS=30596916D33CA80E94BAF05055E8A7DBD4F84E67
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