Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
leadsolutions.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 05:21:45 UTC · ↺ Refresh
MX Hostnames
- leadsolutions-com-br.mail.protection.outlook.com
MX Priorities
- leadsolutions-com-br.mail.protection.outlook.com: 0
A / AAAA Records
- 3.217.176.148 ↩ ec2-3-217-176-148.compute-1.amazonaws.com
- 54.237.134.118 ↩ ec2-54-237-134-118.compute-1.amazonaws.com
- 32.193.74.61
- 100.52.53.60
Mail Server IPs
- 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
- 52.101.9.2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
- 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 2a01:111:f403:c927:: ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com
- 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 2a01:111:f403:f907::1 ↩ mail-dm1pr04cu00201.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-1768.awsdns-29.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1768.awsdns-29.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1768.awsdns-29.co.uk
ns-729.awsdns-27.net
ns-138.awsdns-17.com
ns-1456.awsdns-54.org
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.google.com include:amazonses.com include:_spf.criaenvio.com include:_spf.rdstation.com.br include:sendgrid.net -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
4 records- anthropic-domain-verification-tqqqh5=QzxHKLVJQCRErTR5l1aSXtpjW
- google-site-verification=XvFkPjL-QKQEqUr7eDOPg2CkuYWtoedN_uwnqTyG-ck
- openai-domain-verification=dv-VRTkJVddKzZWCBFkqW7o99la
- SPFv=spf1 include:spf.protection.outlook.com include:_spf.google.com include:amazonses.com include:_spf.criaenvio.com include:_spf.rdstation.com.br include:sendgrid.net -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 leadsolutions.com.br
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits