mattson-cpa.com

Valid Email Server
Domain Lookup › mattson-cpa.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
mattson-cpa.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 17:13:42 UTC · ↺ Refresh

MX Hostnames

  • mattsoncpa-com01i.mail.protection.outlook.com

MX Priorities

  • mattsoncpa-com01i.mail.protection.outlook.com: 0

A / AAAA Records

  • 104.21.78.207 (no PTR)
  • 172.67.137.130 (no PTR)
  • 2606:4700:3033::ac43:8982
  • 2606:4700:3037::6815:4ecf

Mail Server IPs

  • 52.101.10.2 ↩ mail-bn8pr03cu00202.inbound.protection.outlook.com
  • 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
  • 52.101.11.10 ↩ mail-sa9pr03cu00202.inbound.protection.outlook.com
  • 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
  • 2a01:111:f403:c802:: ↩ mail-cy4pr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c803:: ↩ mail-bn1pr21cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com

SOA Record

Raw SOA cora.ns.cloudflare.com dns.cloudflare.com 2397043713 10000 2400 604800 1800
Primary NS (mname)
cora.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397043713
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

cora.ns.cloudflare.com
valentin.ns.cloudflare.com

SPF Record

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

3 records
  • g2yzglt9s1jn3sygm7m3v4k4t5kv89jx
  • SPFv=spf1 include:protection.outlook.com ~all
  • MS=ms34606249
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