cemexusa.com

Valid Email Server
Domain Lookup › cemexusa.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
cemexusa.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-23 07:07:36 UTC · ↺ Refresh

MX Hostnames

  • cemexusa-com.mail.protection.outlook.com

MX Priorities

  • cemexusa-com.mail.protection.outlook.com: 5

A / AAAA Records

  • 45.60.12.114 (no PTR)
  • 45.60.18.114 (no PTR)

Mail Server IPs

  • 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
  • 52.101.10.5 ↩ mail-bn6pr04cu00105.inbound.protection.outlook.com
  • 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
  • 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.cemex.com hostmaster.cemex.com 2026031001 1800 3600 1728000 3600
Primary NS (mname)
ns1.cemex.com
Admin Email (rname)
hostmaster@cemex.com
Serial
2026031001
Refresh
1800s
Retry
3600s
Expire
1728000s
Minimum TTL
3600s

Nameservers (NS)

ns3.cemex.com
ns2.cemex.com
ns1.cemex.com

SPF Record

✓ Strict (-all)
v=spf1 include:_spf.cemex.com v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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

6 records
  • _r79bj9aktqefp9663oswd7tfip7jnqu
  • globalsign-domain-verification=D3FCC4DE8CB5CDBEC5F4417B420D43C3
  • _ws7mw0z99gvlj85a2z270xeoo7d3nu9
  • SPFv=spf1 include:_spf.cemex.com v=spf1 include:spf.protection.outlook.com -all
  • globalsign-domain-verification=6496253501257A23D019F28CDE2147D1
  • _globalsign-domain-verification=Ql8jTkpSIgSrqpd2QWQEi0SWAVj_9EtgbaQlnjE2ge
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