courtesyaccounting.com

Valid Email Server
Domain Lookup › courtesyaccounting.com

Domain Overview

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

Checked via [email protected] · 2026-04-04 05:29:54 UTC · ↺ Refresh

MX Hostnames

  • courtesyaccounting-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 45.79.0.208 ↩ web.practicepanda.com

Mail Server IPs

  • 52.101.10.8 ↩ mail-bn1pr04cu00100.inbound.protection.outlook.com
  • 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
  • 52.101.11.10 ↩ mail-sa9pr03cu00202.inbound.protection.outlook.com
  • 52.101.10.16 ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:c946::2 ↩ mail-ch4pr04cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f907::1 ↩ mail-dm1pr04cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:c922:: ↩ mail-bl0pr03cu00200.inbound.protection.outlook.com

SOA Record

Raw SOA ns73.domaincontrol.com dns.jomax.net 2024102900 28800 7200 604800 600
Primary NS (mname)
ns73.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2024102900
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns73.domaincontrol.com
ns74.domaincontrol.com

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

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1

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

All TXT Records

3 records
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • SPFv=spf1 include:_spf.google.com ~all
  • v=verifydomain MS=2055549
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