Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
btlaw.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-29 01:22:08 UTC · ↺ Refresh
MX Hostnames
- btlaw-com-br.mail.protection.outlook.com
MX Priorities
- btlaw-com-br.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.41.50 (no PTR)
- 172.67.160.113 (no PTR)
- 2606:4700:3033::6815:2932
- 2606:4700:3037::ac43:a071
Mail Server IPs
- 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
- 52.101.194.0 ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
- 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
- 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com
- 2a01:111:f403:f90d::1 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c92c::2 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f90a::1 ↩ mail-bn8pr03cu00201.inbound.protection.outlook.com
SOA Record
Raw SOA
leah.ns.cloudflare.com dns.cloudflare.com 2399969629 10000 2400 604800 1800
Primary NS (mname)
leah.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399969629
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
olof.ns.cloudflare.com
leah.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.rdstation.com.br include:sendgrid.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected], mailto:[email protected]; pct=100; adkim=s; aspf=s
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected], mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
2 records- google-site-verification=cW6n0Bjn3em9MO5femgdRtV0Cgn9C7ZA73BShdwckRw
- SPFv=spf1 include:spf.protection.outlook.com include:_spf.rdstation.com.br include:sendgrid.net -all
Full email verification for btlaw.com.br
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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