cero.com.co

Valid Email Server

Domain Overview

DNS: ✓ 2d ago Checker: ✓ 2d ago
cero.com.co
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-07-01 05:14:10 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

  • cero-com-co.mail.protection.outlook.com

MX Priorities

  • cero-com-co.mail.protection.outlook.com: 0

A / AAAA Records

  • 200.7.109.99 ↩ vps.togrowagencia.com

Mail Server IPs

  • 52.101.10.1 ↩ mail-bn6pr02cu00301.inbound.protection.outlook.com
  • 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
  • 52.101.194.17 ↩ mail-ch5pr02cu00401.inbound.protection.outlook.com
  • 52.101.194.0 ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:c922:: ↩ mail-bl0pr03cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.webbuho.com ejaramillo.togrowagencia.com 2026070100 3600 1800 1209600 86400
Primary NS (mname)
ns1.webbuho.com
Admin Email (rname)
ejaramillo@togrowagencia.com
Serial
2026070100
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns2.webbuho.com
ns1.webbuho.com

SPF Record

✓ Soft Fail (~all)
v=spf1 +a +mx +ip4:200.7.109.99 include:spf.protection.outlook.com -all include:spf.leadconnectorhq.com include:mailgun.org ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement

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: 392 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

2 records
  • brevo-code:2d51feb4561d3165cdc96bb6986222d5
  • SPFv=spf1 +a +mx +ip4:200.7.109.99 include:spf.protection.outlook.com -all include:spf.leadconnectorhq.com include:mailgun.org ~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 cero.com.co

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

No credit card required
Get 1,000 Free Credits