collum-enterprises.com

Valid Email Server
Domain Lookup › collum-enterprises.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
collum-enterprises.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-19 20:06:31 UTC · ↺ Refresh

MX Hostnames

  • collumenterprises-com01e.mail.protection.outlook.com

MX Priorities

  • collumenterprises-com01e.mail.protection.outlook.com: 0

A / AAAA Records

  • 13.248.213.45 ↩ a67c48129651a0940.awsglobalaccelerator.com
  • 76.223.67.189 ↩ a67c48129651a0940.awsglobalaccelerator.com

Mail Server IPs

  • 52.101.11.10 ↩ mail-sa9pr03cu00202.inbound.protection.outlook.com
  • 52.101.194.17 ↩ mail-ch5pr02cu00401.inbound.protection.outlook.com
  • 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
  • 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:f804::3 ↩ mail-co1pr03cu00403.inbound.protection.outlook.com
  • 2a01:111:f403:f901::2 ↩ mail-bl2pr02cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com
  • 2a01:111:f403:f903:: (no PTR)

SOA Record

Raw SOA ns41.domaincontrol.com dns.jomax.net 2025101802 28800 7200 604800 3600
Primary NS (mname)
ns41.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025101802
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns41.domaincontrol.com
ns42.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 include:secureserver.net -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

3 records
  • protonmail-verification=dfaaccd5460bc1cf65d88c52d363a7c49284abe4
  • NETORGFT12248339.onmicrosoft.com
  • SPFv=spf1 include:secureserver.net -all
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