ert.com.co

Valid Email Server
Domain Lookup › ert.com.co

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
ert.com.co
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-26 23:17:39 UTC · ↺ Refresh

MX Hostnames

  • mail.ert.com.co
  • smtp.ert.com.co

MX Priorities

  • mail.ert.com.co: 10
  • smtp.ert.com.co: 15

A / AAAA Records

  • 190.6.160.58 (no PTR)

Mail Server IPs

  • 51.81.215.47 ↩ mail.ert.com.co

SOA Record

Raw SOA ns1.ert.com.co hostmaster.ert.com.co 2024070407 7200 3600 86400 3600
Primary NS (mname)
ns1.ert.com.co
Admin Email (rname)
hostmaster@ert.com.co
Serial
2024070407
Refresh
7200s
Retry
3600s
Expire
86400s
Minimum TTL
3600s

Nameservers (NS)

ns3.ert.com.co
ns1.ert.com.co
ns2.ert.com.co

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:51.81.215.47 a:mail.ert.com.co ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

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

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

2 records
  • google-site-verification=HVYJS0uQkaSe2nT1iZPR09Xpas66IXiL_ATGikt8mrU
  • SPFv=spf1 ip4:51.81.215.47 a:mail.ert.com.co ~all
Full email verification for ert.com.co

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits