ext.cemex.com

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

Domain Overview

DNS: ⚡ live Checker: ⚡ live
ext.cemex.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-23 00:18:55 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • ext-cemex-com.mail.protection.outlook.com: 5

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
  • 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
  • 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
  • 52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com

SOA Record

No SOA record found.

Nameservers (NS)

No nameservers found.

SPF Record

✓ Strict (-all)
v=spf1 ip4:200.23.29.132 ip4:200.23.29.133 ip4:200.23.29.139 ip4:200.23.29.188 ip4:200.23.29.189 ip4:200.23.29.190 ip4:189.205.121.190 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._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
  • atlassian-domain-verification=6aLGlBol4Ya919/LILb/Nwr20fAalWRuWiQ5OY7i51RGrd7DJp4YN8GNjBys7mzb
  • SPFv=spf1 ip4:200.23.29.132 ip4:200.23.29.133 ip4:200.23.29.139 ip4:200.23.29.188 ip4:200.23.29.189 ip4:200.23.29.190 ip4:189.205.121.190 include:spf.protection.outlook.com -all
  • miro-verification=808903526481336e522a48eaf2320d03ea33ff53
  • Dynatrace-site-verification=04ce893e-f347-4b90-ad5f-e24ff7069562__i09kcq8f7o3hn0mcu7afvg54dk
  • mongodb-site-verification=QDlUldjcrqrNLh62FVYRbQTLRzHvVfkR
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