ext.limited

Valid Email Server
Domain Lookup › ext.limited

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
ext.limited
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-04-03 03:49:27 UTC · ↺ Refresh

MX Hostnames

  • ext-limited.mail.protection.outlook.com

MX Priorities

  • ext-limited.mail.protection.outlook.com: 0

A / AAAA Records

  • 104.21.96.59 (no PTR)
  • 172.67.173.153 (no PTR)
  • 2606:4700:3033::6815:603b
  • 2606:4700:3030::ac43:ad99

Mail Server IPs

  • 52.101.198.0 ↩ mail-cp5p284cu01800.inbound.protection.outlook.com
  • 52.101.198.1 ↩ mail-cp4p284cu00401.inbound.protection.outlook.com
  • 52.101.198.38 ↩ mail-cp3p284cu00706.inbound.protection.outlook.com
  • 52.101.200.0 ↩ mail-roap284cu02600.inbound.protection.outlook.com
  • 2a01:111:f403:c94c:: ↩ mail-roap284cu02600.inbound.protection.outlook.com
  • 2a01:111:f403:c94a::1 ↩ mail-cp4p284cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:c94a:: ↩ mail-cp5p284cu01800.inbound.protection.outlook.com
  • 2a01:111:f403:c94a::2 ↩ mail-cp3p284cu00702.inbound.protection.outlook.com

SOA Record

Raw SOA emma.ns.cloudflare.com dns.cloudflare.com 2396523648 10000 2400 604800 1800
Primary NS (mname)
emma.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396523648
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

emma.ns.cloudflare.com
mike.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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

2 records
  • MS=ms23273276
  • SPFv=spf1 include:spf.protection.outlook.com -all
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