usinasantarita.com.br

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
usinasantarita.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-23 19:05:28 UTC · ↺ Refresh

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MX Hostnames

  • usinasantarita-com-br.mail.protection.outlook.com

MX Priorities

  • usinasantarita-com-br.mail.protection.outlook.com: 0

A / AAAA Records

  • 200.148.137.250 ↩ 200-148-137-250.fundecitrus.com.br

Mail Server IPs

  • 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
  • 52.101.10.8 ↩ mail-bn1pr04cu00100.inbound.protection.outlook.com
  • 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
  • 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:f802::2 ↩ mail-sj2pr05cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:f90c:: ↩ mail-sn1pr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA d.sec.dns.br hostmaster.registro.br 2026075000 345600 900 604800 900
Primary NS (mname)
d.sec.dns.br
Admin Email (rname)
hostmaster@registro.br
Serial
2026075000
Refresh
345600s
Retry
900s
Expire
604800s
Minimum TTL
900s

Nameservers (NS)

f.sec.dns.br
d.sec.dns.br

SPF Record

✓ Strict (-all)
v=spf1 ip4:200.148.137.250 ip4:200.148.137.251 ip4:200.148.137.252 ip4:200.148.137.253 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

1 record
  • SPFv=spf1 ip4:200.148.137.250 ip4:200.148.137.251 ip4:200.148.137.252 ip4:200.148.137.253 include:spf.protection.outlook.com -all
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