duboiscpa.com

Valid Email Server
Domain Lookup › duboiscpa.com

Domain Overview

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

Checked via [email protected] · 2026-03-23 12:20:23 UTC · ↺ Refresh

MX Hostnames

  • duboiscpa-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 44.226.107.251 ↩ ec2-44-226-107-251.us-west-2.compute.amazonaws.com

Mail Server IPs

  • 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
  • 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
  • 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
  • 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com
  • 2a01:111:f403:c946::2 ↩ mail-ch4pr04cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:c931::1 ↩ mail-sa9pr03cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.cpasitesolutions.com systems.cpasitesolutions.com 2024110508 28800 7200 604800 3600
Primary NS (mname)
ns1.cpasitesolutions.com
Admin Email (rname)
systems@cpasitesolutions.com
Serial
2024110508
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns8.cpasitesolutions.com
ns1.cpasitesolutions.com
ns2.cpasitesolutions.com

SPF Record

✓ Strict (-all)
v=spf1 +a +mx +ip4:54.70.20.164 +ip4:44.226.107.251 +ip4:52.27.99.119 +include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

2 records
  • SPFv=spf1 +a +mx +ip4:54.70.20.164 +ip4:44.226.107.251 +ip4:52.27.99.119 +include:spf.protection.outlook.com -all
  • MS=ms26972123
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