Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
essmar.gov.co
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-03 12:02:27 UTC · ↺ Refresh
MX Hostnames
- essmar-gov-co.mail.protection.outlook.com
MX Priorities
- essmar-gov-co.mail.protection.outlook.com: 0
A / AAAA Records
- 129.146.2.193 (no PTR)
Mail Server IPs
- 52.101.9.2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
- 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
- 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
- 2a01:111:f403:c802:: ↩ mail-cy4pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f908::2 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 2a01:111:f403:c803:: ↩ mail-bn1pr21cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.p202.dns.oraclecloud.net hostmaster.essmar.gov.co 16 3600 600 604800 1800
Primary NS (mname)
ns1.p202.dns.oraclecloud.net
Admin Email (rname)
hostmaster@essmar.gov.co
Serial
16
Refresh
3600s
Retry
600s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
ns3.p202.dns.oraclecloud.net
ns2.p202.dns.oraclecloud.net
ns4.p202.dns.oraclecloud.net
ns1.p202.dns.oraclecloud.net
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com -all53detj7m1gjk9sevd5pr3dj0kk
📊 DNS lookups: 1/10
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo 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
1 record- SPFv=spf1 include:spf.protection.outlook.com -all53detj7m1gjk9sevd5pr3dj0kk
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 essmar.gov.co
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits