cies.edu.co

Valid Email Server

Domain Overview

DNS: ✓ 1d ago Checker: ✓ 1d ago
cies.edu.co
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-07-01 12:54:16 UTC · ↺ Refresh

Add email validation to your forms — free

Add our free script to block 10,000+ disposable domains + perform other checks. No signup, unlimited checks.

MX validation Disposable detection Role accounts
Add to your signup form
<script src="https://check.verifyswift.com/"></script>
One line · No registration · See full docs & demo → · Customize →

MX Hostnames

  • cies-edu-co.mail.protection.outlook.com

MX Priorities

  • cies-edu-co.mail.protection.outlook.com: 10

A / AAAA Records

  • 162.210.97.250 (no PTR)

Mail Server IPs

  • 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
  • 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
  • 52.101.42.16 ↩ mail-co1pr05cu00300.inbound.protection.outlook.com
  • 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:f90a::1 ↩ mail-bn8pr03cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:f902::2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com
  • 2a01:111:f403:f908::2 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com

SOA Record

Raw SOA dns1.supremedns.com root.us.cloudlogin.co 1781809230 28800 7200 604800 86400
Primary NS (mname)
dns1.supremedns.com
Admin Email (rname)
root@us.cloudlogin.co
Serial
1781809230
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

dns2.supremedns.com
dns3.supremedns.com
dns4.supremedns.com
dns1.supremedns.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com - all
📊 DNS lookups: 1/10

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 1 found
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default

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

All TXT Records

3 records
  • SPFv=spf1 include:spf.protection.outlook.com - all
  • DKIMv=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1+4H+pWKWI9LD+RfA3xXVZ+1KmTnINkML7sjxnFVozkZ2ThzCDcnFbNy57lNjhZ+ESF66XGB66mvKzZF49qqTIR+iOdxL2KYWg0fxeNfFurHmqxHp0NLuKWnwhSu/vuDyfdlFECjwBm70qUEFFdvQypp/qzw1LL9JExTw7dAxiMnmfJAC/Fcc/xfm6ZOtCXFA qsLeUFcwemG6FpgpqUTd/r3G8dnzXBNj1fH9wbgCtTIH3w81vHNcrEXRN5CKv2iNSu3u2YMvddtVzri1wEQ2P4MRXoquWF4qlEy1MJZxPnsJccrwOt/DuaaLyL1K/8CMsFVBy3YHPScvisNOqCs6QIDAQAB;
  • SPFv=spf1 include:spf.protection.outlook.com -all
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 · Customize →
See demo & docs
Deep verification
Full email verification for cies.edu.co

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

No credit card required
Get 1,000 Free Credits