columbiafiltersusa.com

Valid Email Server
Domain Lookup › columbiafiltersusa.com

Domain Overview

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

Checked via [email protected] · 2026-03-23 11:03:50 UTC · ↺ Refresh

MX Hostnames

  • columbiafiltersusa-com.mail.protection.outlook.com

MX Priorities

  • columbiafiltersusa-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 107.180.27.178 ↩ 178.27.180.107.host.secureserver.net

Mail Server IPs

  • 52.101.9.17 (no PTR)
  • 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
  • 52.101.194.19 ↩ mail-ch5pr02cu00303.inbound.protection.outlook.com
  • 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
  • 2a01:111:f403:c927::1 ↩ mail-bn8pr05cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
  • 2a01:111:f403:f90c:: ↩ mail-sn1pr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com

SOA Record

Raw SOA ns25.domaincontrol.com dns.jomax.net 2022112900 28800 7200 604800 3600
Primary NS (mname)
ns25.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2022112900
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns26.domaincontrol.com
ns25.domaincontrol.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:secureserver.net ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate 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
  • NETORGFT11578399.onmicrosoft.com
  • SPFv=spf1 include:secureserver.net ~all
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