Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
conexcol.net.co
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 11:37:32 UTC · ↺ Refresh
MX Hostnames
- cluster1-slave1-co.conexcol.net
- cluster1-co.conexcol.net
MX Priorities
- cluster1-slave1-co.conexcol.net: 100
- cluster1-co.conexcol.net: 0
A / AAAA Records
- 190.90.160.100 ↩ cluster1-slave1-co.conexcol.net
- 190.90.160.75 ↩ cluster1-co.conexcol.net
Mail Server IPs
- 190.90.160.100 ↩ cluster1-slave1-co.conexcol.net
- 190.90.160.75 ↩ cluster1-co.conexcol.net
SOA Record
Raw SOA
dns1.conexcol.net ops.conexcol.net.co 2026022200 3600 1800 1209600 86400
Primary NS (mname)
dns1.conexcol.net
Admin Email (rname)
ops@conexcol.net.co
Serial
2026022200
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
dns1.conexcol.net
dns2.conexcol.net
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.google.com include:_spf.mlsend.com +mx +a +ip4:190.90.160.75 -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=none; pct=100; ri=86400; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
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- zoho-verification=zb90181254.zmverify.zoho.com
- SPFv=spf1 include:_spf.google.com include:_spf.mlsend.com +mx +a +ip4:190.90.160.75 -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 conexcol.net.co
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits