Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rlhdevelopments.co.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 12:08:46 UTC · ↺ Refresh
MX Hostnames
- rlhdevelopments-co-uk.mail.eo.outlook.com
MX Priorities
- rlhdevelopments-co-uk.mail.eo.outlook.com: 1
A / AAAA Records
- 217.174.153.49 ↩ cloud-8c2675.managed-vps.net
Mail Server IPs
- 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
- 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
- 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
- 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
- 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com
- 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.worldnic.com namehost.worldnic.com 126010809 10800 3600 604800 3600
Primary NS (mname)
ns1.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126010809
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns2.worldnic.com
ns1.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.UK.exclaimer.net -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo 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
2 records- MS=ms20003373
- SPFv=spf1 include:spf.protection.outlook.com include:spf.UK.exclaimer.net -all
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