Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
libraport.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-21 13:49:45 UTC · ↺ Refresh
MX Hostnames
- libraport-com-br.mail.protection.outlook.com
MX Priorities
No priority data.
A / AAAA Records
- 201.23.74.243
Mail Server IPs
No IPs resolved.
SOA Record
No SOA record found.
Nameservers (NS)
ns1.bdm.microsoftonline.com
ns2.bdm.microsoftonline.com
ns3.bdm.microsoftonline.com
ns4.bdm.microsoftonline.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:206.189.180.217 -all
📊 DNS lookups: 1/10
✓ 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
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- apple-domain-verification=eBLjYzKJDE4OFjd5
- _b9vw1kqar4vjgck3ff4ajxajsacfoia
- SPFv=spf1 include:spf.protection.outlook.com ip4:206.189.180.217 -all
- mscid=ganKzSPMwsPqg2pVO6nZLNzRn6Oh+n+7co9lnPbv6xwEPlLghDY5XkelczxbOvY3nj8mc+aZ1+MkpskvOYznig==
- cisco-ci-domain-verification=7de0a6fbc7ff50a83a3eae4b0b86a154b8b5f40719af1e1f673bed117486c12c
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 libraport.com.br
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits