courtesyfinance.net

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
courtesyfinance.net
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 21:27:13 UTC · ↺ Refresh

MX Hostnames

  • courtesyfinance-net.mail.protection.outlook.com

MX Priorities

  • courtesyfinance-net.mail.protection.outlook.com: 0

A / AAAA Records

  • 104.21.63.28 (no PTR)
  • 172.67.142.169 (no PTR)
  • 2606:4700:3030::6815:3f1c
  • 2606:4700:3033::ac43:8ea9

Mail Server IPs

  • 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
  • 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
  • 52.101.41.56 ↩ mail-sj0pr21cu00100.inbound.protection.outlook.com
  • 52.101.10.10 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:c931::1 ↩ mail-sa9pr03cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:c902::3 ↩ mail-sj0pr03cu01703.inbound.protection.outlook.com
  • 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com

SOA Record

Raw SOA ezra.ns.cloudflare.com dns.cloudflare.com 2398739264 10000 2400 604800 1800
Primary NS (mname)
ezra.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398739264
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

surina.ns.cloudflare.com
ezra.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]

DKIM Selectors

✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 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

5 records
  • MS=ms99835837
  • google-site-verification=B3u18kwafcY3NNiPEfUX25fvRKrKZOn1DkLXfShv5SE
  • google-site-verification=DlmTsWlAyboQ_zkoYrSjAoN-4nG9G-R3Dd7Ll0ERvDQ
  • google-site-verification=lBfgaLLj1CNB3RUxLSgHSjXoFGZ30zCyQ1T8XP6fuRM
  • SPFv=spf1 include:spf.protection.outlook.com -all
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