ubsistemas.com.br

Valid Email Server
Domain Lookup › ubsistemas.com.br

Domain Overview

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

Checked via [email protected] · 2026-03-24 03:27:58 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 82.180.134.246 (no PTR)

Mail Server IPs

  • 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
  • 52.101.10.16 ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
  • 52.101.10.1 ↩ mail-bn6pr02cu00301.inbound.protection.outlook.com
  • 52.101.41.4 ↩ mail-sj2pr05cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com

SOA Record

Raw SOA d.sec.dns.br hostmaster.registro.br 2026056000 86400 900 604800 900
Primary NS (mname)
d.sec.dns.br
Admin Email (rname)
hostmaster@registro.br
Serial
2026056000
Refresh
86400s
Retry
900s
Expire
604800s
Minimum TTL
900s

Nameservers (NS)

e.sec.dns.br
d.sec.dns.br

SPF Record

✓ Strict (-all)
v=spf1 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

3 records
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • MS=ms789535588
  • v=msv1 t=41E8F7A8-5DCA-489E-8C23-B0C0E36372C6
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