koresystem.com

Valid Email Server
Domain Lookup › koresystem.com

Domain Overview

DNS: ✓ 16h ago Checker: ✓ 16h ago
koresystem.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-20 12:28:28 UTC · ↺ Refresh

MX Hostnames

  • koresystem-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 216.92.11.3 ↩ kore-system.com

Mail Server IPs

  • 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
  • 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
  • 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
  • 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com

SOA Record

Raw SOA ns0.reg365.net support.reg365.net 2025030602 28800 3600 604800 86400
Primary NS (mname)
ns0.reg365.net
Admin Email (rname)
support@reg365.net
Serial
2025030602
Refresh
28800s
Retry
3600s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

ns2.reg365.net
ns1.reg365.net
ns0.reg365.net

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:spf.protection.outlook.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 3 found
google._domainkey
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google

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

All TXT Records

3 records
  • google-site-verification=rvVAHrV-uyC9G2npLS2i1uyOC9eq5ZrryTSsq3KexOk
  • SPFv=spf1 include:_spf.google.com include:spf.protection.outlook.com ~all
  • MS=ms84598538
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