Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
kaptiva.com.br
Yes
✓ Yes
Zoho
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-20 20:46:04 UTC · ↺ Refresh
MX Hostnames
- mx3.zoho.com
- mx2.zoho.com
- mx.zoho.com
MX Priorities
- mx3.zoho.com: 50
- mx.zoho.com: 10
- mx2.zoho.com: 20
A / AAAA Records
- 100.24.208.97 ↩ staticip2.multiscreensite.com
- 35.172.94.1 ↩ staticip.multiscreensite.com
Mail Server IPs
- 136.143.191.44 ↩ mx.zoho.com
- 136.143.183.44 ↩ mx2.zohomail.com
SOA Record
Raw SOA
ns-564.awsdns-06.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-564.awsdns-06.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-564.awsdns-06.net
ns-1300.awsdns-34.org
ns-1673.awsdns-17.co.uk
ns-397.awsdns-49.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:zohomail.com include:_spf.rdstation.com.br include:sendgrid.net ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- google-site-verification=OW2OThobEndDWO2FLnLNWBK4-Y4Q-RYixl-rvLsNx54
- SPFv=spf1 include:zohomail.com include:_spf.rdstation.com.br include:sendgrid.net ~all
- zoho-verification=EUHILSBO0J.zmverify.zoho.com
- brevo-code:28d48ea3d8c32cf978d0252e3ecee2ab
- globalsign-domain-verification=51B3EBCBA1EF86D5DDB8EF63397796E6
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 kaptiva.com.br
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits