Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ocasa.org.co
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-26 23:12:18 UTC · ↺ Refresh
MX Hostnames
- mail.colnodo.co
MX Priorities
- mail.colnodo.co: 10
A / AAAA Records
- 45.171.118.107 ↩ web4.colnodo.apc.org
- 2803:e060::107 ↩ web4.colnodo.apc.org
Mail Server IPs
- 45.171.118.100 ↩ mail.colnodo.co
- 2803:e060::100 ↩ mail.colnodo.co
SOA Record
Raw SOA
fr.colnodo.org.co ns.colnodo.org.co 2026032601 10800 3600 1209600 86400
Primary NS (mname)
fr.colnodo.org.co
Admin Email (rname)
ns@colnodo.org.co
Serial
2026032601
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns.colnodo.org.co
fr.colnodo.org.co
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx include:_spf.colnodo.apc.org ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; rf=afrf; ri=86400
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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 a mx include:_spf.colnodo.apc.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
See demo & docs
Deep verification
Full email verification for ocasa.org.co
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits