thedefensefirm.com

Valid Email Server
Domain Lookup › thedefensefirm.com

Domain Overview

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

Checked via [email protected] · 2026-03-19 09:02:18 UTC · ↺ Refresh

MX Hostnames

  • thedefensefirm-com.mail.protection.outlook.com

MX Priorities

  • thedefensefirm-com.mail.protection.outlook.com: 10

A / AAAA Records

  • 72.60.128.105 (no PTR)

Mail Server IPs

  • 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
  • 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
  • 52.101.9.11 ↩ mail-bl2pr04cu00103.inbound.protection.outlook.com
  • 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
  • 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com
  • 2a01:111:f403:c803:: ↩ mail-bn1pr21cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f90c:: ↩ mail-sn1pr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com

SOA Record

Raw SOA ns47.domaincontrol.com dns.jomax.net 2026012900 28800 7200 604800 600
Primary NS (mname)
ns47.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026012900
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns47.domaincontrol.com
ns48.domaincontrol.com

SPF Record

✓ Soft Fail (~all)
v=spf1 a mx include:_spf.elasticemail.com include:spf-westus.emailsignatures365.com include:spf.protection.outlook.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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
  • 1password-site-verification=6FPMEGVK4BBT3PDAWOLDSKWPYU
  • google-site-verification=pMN1mBguuhe7Rt7SZhBjHm_VBsvV1GkeddPNWUwlcvM
  • google-site-verification=jxJgLANnMtkNLJxIFJa5_BvaKkgQxOnjlPuyhtOY5S8
  • SPFv=spf1 a mx include:_spf.elasticemail.com include:spf-westus.emailsignatures365.com include:spf.protection.outlook.com ~all
  • apple-domain-verification=552FvZVFoTq1y7FB
  • MS=ms49084152
Full email verification for thedefensefirm.com

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