columbia.edu.pe

Valid Email Server
Domain Lookup › columbia.edu.pe

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
columbia.edu.pe
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-04-04 13:50:40 UTC · ↺ Refresh

MX Hostnames

  • columbia-edu-pe.mail.protection.outlook.com

MX Priorities

  • columbia-edu-pe.mail.protection.outlook.com: 10

A / AAAA Records

  • 200.123.31.189 ↩ 200123130189.gtdperu.pe

Mail Server IPs

  • 52.101.42.14 ↩ mail-mw2pr04cu00106.inbound.protection.outlook.com
  • 52.101.194.0 ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
  • 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
  • 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com
  • 2a01:111:f403:f802::1 ↩ mail-sj2pr05cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com

SOA Record

Raw SOA ns.rcp.net.pe operador.rcp.pe 2026030201 7200 300 604800 7200
Primary NS (mname)
ns.rcp.net.pe
Admin Email (rname)
operador@rcp.pe
Serial
2026030201
Refresh
7200s
Retry
300s
Expire
604800s
Minimum TTL
7200s

Nameservers (NS)

ns2.rcp.net.pe
ns.rcp.net.pe

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.ubivox.com -all
📊 DNS lookups: 2/10
✓ 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
  • SPFv=spf1 include:spf.protection.outlook.com include:spf.ubivox.com -all
  • k7nqcu7ua10gatimf0927j8git
  • 309ptm1mkmovm5t91mq1vpoqg5
  • google-site-verification=q_JFsWpyIRyLoK4ENww6wFfm7qX_cP0cNz2e3rRTXVg
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