eysingenieria.com

Valid Email Server
Domain Lookup › eysingenieria.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
eysingenieria.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-03 11:29:00 UTC · ↺ Refresh

MX Hostnames

  • eysingenieria-com.mail.protection.outlook.com

MX Priorities

  • eysingenieria-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 116.203.167.6 ↩ ns3.colombiasolutions.com

Mail Server IPs

  • 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
  • 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
  • 52.101.8.34 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
  • 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
  • 2a01:111:f403:c803:: ↩ mail-bn1pr21cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c927:: ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.colombiasolutions.com root.sd1990.colombiasolutions.com 2026022001 3600 1800 1209600 86400
Primary NS (mname)
ns1.colombiasolutions.com
Admin Email (rname)
root@sd1990.colombiasolutions.com
Serial
2026022001
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns1.colombiasolutions.com
ns4.colombiasolutions.com
ns2.colombiasolutions.com
ns3.colombiasolutions.com

SPF Record

✓ Strict (-all)
v=spf1 +a +mx +ip4:116.203.167.6 +include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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

1 record
  • SPFv=spf1 +a +mx +ip4:116.203.167.6 +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
See demo & docs
Deep verification
Full email verification for eysingenieria.com

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

No credit card required
Get 1,000 Free Credits