Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
proteus.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 03:04:28 UTC · ↺ Refresh
MX Hostnames
- proteus-com-br.mail.protection.outlook.com
MX Priorities
- proteus-com-br.mail.protection.outlook.com: 0
A / AAAA Records
- 151.101.65.195 (no PTR)
- 151.101.1.195 (no PTR)
Mail Server IPs
- 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
- 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
- 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
- 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com
- 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
SOA Record
Raw SOA
alina.ns.cloudflare.com dns.cloudflare.com 2399266126 10000 2400 604800 1800
Primary NS (mname)
alina.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399266126
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
kirk.ns.cloudflare.com
alina.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
3 records- MS=ms44493941
- google-site-verification=0frpqp7R5Qq-sEJToMBIK_Mh43zSESAe3aKRbgWbMNg
- SPFv=spf1 include:spf.protection.outlook.com -all
Full email verification for proteus.com.br
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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