three-m.com

Valid Email Server
Domain Lookup › three-m.com
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
three-m.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-20 21:25:16 UTC · ↺ Refresh

MX Hostnames

  • threem-com01c.mail.protection.outlook.com

MX Priorities

No priority data.

A / AAAA Records

  • 13.33.67.92
  • 13.33.67.29
  • 13.33.67.75
  • 13.33.67.4

Mail Server IPs

No IPs resolved.

SOA Record

No SOA record found.

Nameservers (NS)

ns-1369.awsdns-43.org
ns-1721.awsdns-23.co.uk
ns-55.awsdns-06.com
ns-852.awsdns-42.net

SPF Record

✓ Strict (-all)
v=spf1 mx a include:spf.protection.outlook.com include:spfa.cpmails.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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

1 record
  • SPFv=spf1 mx a include:spf.protection.outlook.com include:spfa.cpmails.com -all
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