cundiff-steel.com

Valid Email Server
Domain Lookup › cundiff-steel.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
cundiff-steel.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-29 14:05:48 UTC · ↺ Refresh

MX Hostnames

  • cundiffsteel-com01i.mail.protection.outlook.com

MX Priorities

  • cundiffsteel-com01i.mail.protection.outlook.com: 0

A / AAAA Records

  • 23.236.62.147 ↩ 147.62.236.23.bc.googleusercontent.com

Mail Server IPs

  • 52.101.11.10 ↩ mail-sa9pr03cu00202.inbound.protection.outlook.com
  • 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
  • 52.101.194.12 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
  • 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com
  • 2a01:111:f403:c922:: ↩ mail-bl0pr03cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.bdm.microsoftonline.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1.bdm.microsoftonline.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s

Nameservers (NS)

ns1.bdm.microsoftonline.com
ns2.bdm.microsoftonline.com
ns3.bdm.microsoftonline.com
ns4.bdm.microsoftonline.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
  • mscid=PU7KP4nquq0GHBFFRtFf82lv6+pkPA0UAyhAih5LDxYWhC24imyEPjCLobCV77lWFbVEwAPV1HG3EUUzGN0DeQ==
  • SPFv=spf1 include:spf.protection.outlook.com -all
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