colegiocienciaseconomicas.cr

Valid Email Server
Domain Lookup › colegiocienciaseconomicas.cr

Domain Overview

DNS: ✓ just now Checker: ✓ just now
colegiocienciaseconomicas.cr
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-06-02 01:40:09 UTC · ↺ Refresh

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MX Hostnames

  • colegiocienciaseconomicas-cr.mail.protection.outlook.com

MX Priorities

  • colegiocienciaseconomicas-cr.mail.protection.outlook.com: 0

A / AAAA Records

  • 201.195.86.14 ↩ www.colegiocienciaseconomicas.cr

Mail Server IPs

  • 52.101.11.9 ↩ mail-sn1pr02cu00101.inbound.protection.outlook.com
  • 52.101.9.11 ↩ mail-bl2pr04cu00103.inbound.protection.outlook.com
  • 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
  • 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f903:: (no PTR)
  • 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f90d::1 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com

SOA Record

Raw SOA ns1-37.azure-dns.com root.reseller-220.mco2.hostdime.com 2021111700 3600 1800 1209600 86400
Primary NS (mname)
ns1-37.azure-dns.com
Admin Email (rname)
root@reseller-220.mco2.hostdime.com
Serial
2021111700
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns3-37.azure-dns.org
ns4-37.azure-dns.info
ns1-37.azure-dns.com
ns2-37.azure-dns.net

SPF Record

✓ Strict (-all)
v=spf1 mx ip4:184.171.244.231 include:spf.mailjet.com include:spf.protection.outlook.com include:spf.mandrillapp.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1;p=reject;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];ri=86400;aspf=s;adkim=s;fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Strict · DKIM alignment: Strict
📧 Reports → mailto:[email protected]

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

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

All TXT Records

5 records
  • ZOOM_verify_i-8CuKsOSEe04RSV0U8X1A
  • facebook-domain-verification=m3aljmnjp3ejk0bg5gipc38v1bin3u
  • MS=ms64169975
  • SPFv=spf1 mx ip4:184.171.244.231 include:spf.mailjet.com include:spf.protection.outlook.com include:spf.mandrillapp.com -all
  • google-site-verification=MLTk1-40yqMBQZQDwwzZiW3sRrsEoDHMVbPPbuzmioA
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