mattjaycpa.com

Valid Email Server
Domain Lookup › mattjaycpa.com

Domain Overview

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

Checked via [email protected] · 2026-03-19 04:17:44 UTC · ↺ Refresh

MX Hostnames

  • mattjaycpa-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 167.68.20.163 (no PTR)

Mail Server IPs

  • 52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com
  • 52.101.11.10 ↩ mail-sa9pr03cu00202.inbound.protection.outlook.com
  • 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
  • 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
  • 2a01:111:f403:f90a:: ↩ mail-bn6pr02cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:f902::1 ↩ mail-bl2pr02cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f902::2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.dnsbycomodo.net admin.dns.com 2019081214 10800 864000 7200 7200
Primary NS (mname)
ns1.dnsbycomodo.net
Admin Email (rname)
admin@dns.com
Serial
2019081214
Refresh
10800s
Retry
864000s
Expire
7200s
Minimum TTL
7200s

Nameservers (NS)

ns2.dnsbycomodo.net
ns1.dnsbycomodo.net

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ 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
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • MS=ms28978638
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