caribbean.edu

Valid Email Server
Domain Lookup › caribbean.edu

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
caribbean.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-04 12:47:29 UTC · ↺ Refresh

MX Hostnames

  • caribbean-edu.mail.protection.outlook.com

MX Priorities

  • caribbean-edu.mail.protection.outlook.com: 5

A / AAAA Records

  • 170.249.220.187 ↩ mail.generic-servers.com

Mail Server IPs

  • 52.101.9.5 ↩ mail-mn2pr04cu00205.inbound.protection.outlook.com
  • 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
  • 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
  • 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:f90a:: ↩ mail-bn6pr02cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:c801::1 ↩ mail-sn1pr0501cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::4 ↩ mail-dm6pr05cu00404.inbound.protection.outlook.com
  • 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com

SOA Record

Raw SOA ns2.no-ip.com hostmaster.no-ip.com 2023022605 10800 1800 604800 1800
Primary NS (mname)
ns2.no-ip.com
Admin Email (rname)
hostmaster@no-ip.com
Serial
2023022605
Refresh
10800s
Retry
1800s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

ns5.no-ip.com
ns4.no-ip.com
ns2.no-ip.com
ns3.no-ip.com
ns1.no-ip.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:zohomail360.com include:spf.elluciancloud.com -all
📊 DNS lookups: 3/10
✓ 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

4 records
  • google-site-verification=8tOY5E_sBt7xELHHVrZQFEc5xoK98MmXdfkR1vsJKzU
  • DKIMv=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDZiBtY/GVufyP2jBrazTfSSeFWZhaQSiCkSBeeBpUsVgYD2R0fcQOTzbkcwCVEL2rjqGOA02badKKBu7qriUrZTsEg+goc79haT2OQqP2f1AmhbVdWMwaxuxy0YV2EE0+l23VBtvlW7F7KzK5LktzKT7yHn8B7SFoiDMwaT3YA5wIDAQAB
  • m61vhrem358fehl433o07er0v
  • SPFv=spf1 include:spf.protection.outlook.com include:zohomail360.com include:spf.elluciancloud.com -all
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