thebuildersgroup.com

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-23 08:32:26 UTC · ↺ Refresh

MX Hostnames

  • mx2c25.carrierzone.com
  • mx4c25.carrierzone.com
  • mx3c25.carrierzone.com
  • thebuildersgroup-com.mail.eo.outlook.com
  • mx1c25.carrierzone.com

MX Priorities

  • mx4c25.carrierzone.com: 110
  • mx2c25.carrierzone.com: 100
  • thebuildersgroup-com.mail.eo.outlook.com: 1
  • mx3c25.carrierzone.com: 110
  • mx1c25.carrierzone.com: 10

A / AAAA Records

  • 64.29.145.9

Mail Server IPs

  • 64.29.145.48 ↩ mx4c25.carrierzone.com
  • 64.29.145.46 ↩ mx2c25.carrierzone.com
  • 52.101.10.8 ↩ mail-bn1pr04cu00100.inbound.protection.outlook.com
  • 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
  • 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
  • 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
  • 2a01:111:f403:c903::3 ↩ mail-mw2pr02cu00503.inbound.protection.outlook.com
  • 2a01:111:f403:c902:: ↩ mail-sj2pr05cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
  • 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
  • 64.29.145.47
  • 64.29.145.41

SOA Record

Raw SOA ns1.carrierzone.com postmaster.carrierzone.com 2012101517 86400 86400 3600000 86400
Primary NS (mname)
ns1.carrierzone.com
Admin Email (rname)
postmaster@carrierzone.com
Serial
2012101517
Refresh
86400s
Retry
86400s
Expire
3600000s
Minimum TTL
86400s

Nameservers (NS)

ns3.carrierzone.com
ns2.carrierzone.com
ns1.carrierzone.com
ns4.carrierzone.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:outlook.com ~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

1 record
  • SPFv=spf1 include:outlook.com ~all
Full email verification for thebuildersgroup.com

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits