fod.ac.cr

Valid Email Server
Domain Lookup › fod.ac.cr

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
fod.ac.cr
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-23 23:30:49 UTC · ↺ Refresh

MX Hostnames

  • fod-ac-cr.mail.protection.outlook.com
  • ms23281924.msv1.invalid

MX Priorities

  • fod-ac-cr.mail.protection.outlook.com: 0
  • ms23281924.msv1.invalid: 1

A / AAAA Records

  • 20.81.190.166 (no PTR)

Mail Server IPs

  • 52.101.11.10 ↩ mail-sa9pr03cu00202.inbound.protection.outlook.com
  • 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
  • 52.101.42.14 ↩ mail-mw2pr04cu00106.inbound.protection.outlook.com
  • 52.101.10.5 ↩ mail-bn6pr04cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::4 ↩ mail-dm6pr05cu00404.inbound.protection.outlook.com
  • 2a01:111:f403:f802::1 ↩ mail-sj2pr05cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::1 ↩ mail-dm6pr03cu00401.inbound.protection.outlook.com

SOA Record

Raw SOA ns1-05.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-05.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s

Nameservers (NS)

ns4-05.azure-dns.info
ns1-05.azure-dns.com
ns2-05.azure-dns.net
ns3-05.azure-dns.org

SPF Record

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

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 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

11 records
  • google-site-verification=O73kzCK76ZQa8HbgFetSTvop7cW_468zmmEXlbc0eR4
  • cV9oc6ERppnt915DDgiv6Hi6lUcdNXWhEPZgiJOELnS/iwAmhiDxZCP14Q7BF6i83D6OQnMtU426GrcHaUKWag==
  • adobe-idp-site-verification=80b888f304c114834f17c0506dd18f61e4df4ed9b1c8ee19ca302c163681f96f
  • abtt44f6sm6k130r5bmiupje51
  • SPFv=spf1 include:spf.protection.outlook.com include:zcsend.net ~all
  • uv3b25c912713a02rvvkommubq
  • MS=ms23281924
  • facebook-domain-verification=s0w4sg0zoyeh9dd9bt6a4ad7ziytvi
  • google-site-verification=Rv1cqsMVliP5JvBK3DQi6zU_DupOO-26TQevz81J43A
  • ub8rl9f98jpigv427q3jnm2f01
  • 2hv69filb1mu8f6e5h0jeqk2bb
Free · No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for fod.ac.cr

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits