Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mercatorio.com.br
Yes
✓ Yes
Zoho
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 15:34:27 UTC · ↺ Refresh
MX Hostnames
- mx.zoho.com
- mx2.zoho.com
- mx3.zoho.com
MX Priorities
- mx2.zoho.com: 20
- mx3.zoho.com: 50
- mx.zoho.com: 10
A / AAAA Records
- 13.32.241.11 ↩ server-13-32-241-11.jfk50.r.cloudfront.net
- 13.32.241.118 ↩ server-13-32-241-118.jfk50.r.cloudfront.net
- 13.32.241.48 ↩ server-13-32-241-48.jfk50.r.cloudfront.net
- 13.32.241.26 ↩ server-13-32-241-26.jfk50.r.cloudfront.net
Mail Server IPs
- 136.143.183.44 ↩ mx3.zohomail.com
- 136.143.191.44 ↩ mx.zoho.com
SOA Record
Raw SOA
ns-998.awsdns-60.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-998.awsdns-60.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1913.awsdns-47.co.uk
ns-296.awsdns-37.com
ns-998.awsdns-60.net
ns-1172.awsdns-18.org
SPF Record
✓ Soft Fail (~all)
v=spf1 include:zoho.com ~all
📊 DNS lookups: 1/10
~ 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
✓ 3 found
s1._domainkey
s2._domainkey
zoho._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
3 records- google-site-verification=cXX6bYuZC1hpyaMlsh1OrXS6kdYHGJzN97PwYCff3Fc
- SPFv=spf1 include:zoho.com ~all
- facebook-domain-verification=ncel1fx7at0qkdjg4070f1kdaa2ebm
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 mercatorio.com.br
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits