simpr.org

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
simpr.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-30 10:27:37 UTC · ↺ Refresh

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MX Hostnames

  • simpr-org.mail.protection.outlook.com

MX Priorities

  • simpr-org.mail.protection.outlook.com: 0

A / AAAA Records

  • 148.72.77.97 ↩ 97.77.72.148.host.secureserver.net

Mail Server IPs

  • 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
  • 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
  • 52.101.9.5 ↩ mail-mn2pr04cu00205.inbound.protection.outlook.com
  • 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com
  • 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com

SOA Record

Raw SOA ns41.domaincontrol.com dns.jomax.net 2025102900 28800 7200 604800 600
Primary NS (mname)
ns41.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025102900
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns42.domaincontrol.com
ns41.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 include:81e4sewiwk.spf.dmarc.kryonyx.net -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=0:1:d:s;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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

4 records
  • google-site-verification=S6pJe37ce79Ux_YGdLf78G9ICQBK_cHCeoRc2GG98jc
  • intacct-esk=D658FEB5C09131C6E0539A220D0A58B
  • cisco-ci-domain-verification=5e2d97cab434bbd74c3b956f1ee8d61e81a723d0903c3fe1b8a2bf581314ed4d
  • SPFv=spf1 include:81e4sewiwk.spf.dmarc.kryonyx.net -all
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