thebuildinggroup.com

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-23 07:13:26 UTC · ↺ Refresh

MX Hostnames

  • thebuildinggroup-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 172.67.190.127 (no PTR)
  • 104.21.19.241 (no PTR)
  • 2606:4700:3031::6815:13f1
  • 2606:4700:3035::ac43:be7f

Mail Server IPs

  • 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
  • 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
  • 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
  • 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
  • 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::4 ↩ mail-dm6pr05cu00404.inbound.protection.outlook.com
  • 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::2 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com

SOA Record

Raw SOA olof.ns.cloudflare.com dns.cloudflare.com 2398552370 10000 2400 604800 1800
Primary NS (mname)
olof.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398552370
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

veda.ns.cloudflare.com
olof.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com a:cincmail.cincsystems.net -all
📊 DNS lookups: 2/10
✓ 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
  • MS=ms20778669
  • SPFv=spf1 include:spf.protection.outlook.com a:cincmail.cincsystems.net -all
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