academico.ifrn.edu.br

Valid Email Server
Domain Lookup › academico.ifrn.edu.br

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
academico.ifrn.edu.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-30 11:49:08 UTC · ↺ Refresh

MX Hostnames

  • academico-ifrn-edu-br.mail.protection.outlook.com

MX Priorities

  • academico-ifrn-edu-br.mail.protection.outlook.com: 0

A / AAAA Records

  • 200.137.2.167 (no PTR)
  • 200.137.1.177 (no PTR)

Mail Server IPs

  • 52.101.194.0 ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
  • 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
  • 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
  • 52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com
  • 2a01:111:f403:c936:: ↩ mail-cy1pr05cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:c802:: ↩ mail-cy4pr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.academico.ifrn.edu.br zonemaster.academico.ifrn.edu.br 2025072401 86400 7200 2419200 3600
Primary NS (mname)
ns1.academico.ifrn.edu.br
Admin Email (rname)
zonemaster@academico.ifrn.edu.br
Serial
2025072401
Refresh
86400s
Retry
7200s
Expire
2419200s
Minimum TTL
3600s

Nameservers (NS)

ns1.academico.ifrn.edu.br
ns2.academico.ifrn.edu.br

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

1 record
  • SPFv=spf1 include:spf.protection.outlook.com -all
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