Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
lasa.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-26 23:32:54 UTC · ↺ Refresh
MX Hostnames
- lasa-com-br.mail.protection.outlook.com
MX Priorities
- lasa-com-br.mail.protection.outlook.com: 0
A / AAAA Records
- 138.197.63.31 (no PTR)
Mail Server IPs
- 52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com
- 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
- 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
- 2a01:111:f403:f910:: ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 2a01:111:f403:c902:: ↩ mail-sj2pr05cu00300.inbound.protection.outlook.com
- 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
- 2a01:111:f403:c92c::2 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-01.azure-dns.com hostmaster.b2winc.com 2022061301 1200 900 1209600 38400
Primary NS (mname)
ns1-01.azure-dns.com
Admin Email (rname)
hostmaster@b2winc.com
Serial
2022061301
Refresh
1200s
Retry
900s
Expire
1209600s
Minimum TTL
38400s
Nameservers (NS)
ns1-01.azure-dns.com
ns2-01.azure-dns.net
ns3-01.azure-dns.org
ns4-01.azure-dns.info
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ 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
✓ 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
11 records- C6y7yqZws+F8kVsBW+lEvApT5YTgg+E8yqojZer1ztOvtOvN0qdNg9Lw8RwmyYSF+3efDgXp4VDzvAIE7V1Y2A==
- google-site-verification=477l8nvhEo5rhg3ED9SX5k1uBYtYIkPCrgKHl8f_ZN4
- MS=ms55159843
- ZOOM_verify_1d2HdiVpQSWBRlJ9Qe_hKQ
- atlassian-domain-verification=GKsyaOzaMgMyocLnnXgzktG/lXDaOPyLaiYGblMOl2aGvE2L71h6kNDKv3Hgr0Es
- sursrnk7hhpjnt1r31n4pmg3d0
- 52ih57gn7j7gnf0pehsj1807mn
- ms-domain-verification=b9fafc16-cc42-4696-aed9-8f5f3bc17087
- SPFv=spf1 include:spf.protection.outlook.com -all
- AppId=00000000480FCDE1
- dRHitaqy9r7WezrTFFaK+4XA534Lz9bf4PSQ7FU8miV91XHyP8ZK99CNTfALrI5GKXZxIwzE+HLzDIYp0ZwsWA==
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