Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
solucionesasertivas.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 23:38:29 UTC · ↺ Refresh
MX Hostnames
- solucionesasertivas.com
MX Priorities
- solucionesasertivas.com: 0
A / AAAA Records
- 190.8.176.153 ↩ betel.colombiahosting.com.co
Mail Server IPs
- 190.8.176.153 ↩ betel.colombiahosting.com.co
SOA Record
Raw SOA
ns1.colombiahosting.com alexander.colombiahosting.com.co 2026020600 3600 1800 1209600 86400
Primary NS (mname)
ns1.colombiahosting.com
Admin Email (rname)
alexander@colombiahosting.com.co
Serial
2026020600
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns3.colombiahosting.com
ns2.colombiahosting.com
ns4.colombiahosting.com
ns1.colombiahosting.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:190.8.176.153 ip4:190.8.176.235 include:_spf.colhost.com include:md02.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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- SPFv=spf1 ip4:190.8.176.153 ip4:190.8.176.235 include:_spf.colhost.com include:md02.com -all
- google-site-verification=OWbm1D727y28uzfGcBv6g4QHfcRilDLF34tsa85Sy1I
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 solucionesasertivas.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits