dbrsa.com.br

Valid Email Server
Domain Lookup › dbrsa.com.br

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
dbrsa.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-23 20:07:58 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 177.101.99.64 (no PTR)
  • 200.245.254.78 (no PTR)

Mail Server IPs

  • 52.101.8.44 ↩ mail-dm5pr04cu00104.inbound.protection.outlook.com
  • 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
  • 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
  • 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:c927:: ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:c802:: ↩ mail-cy4pr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:f903:: (no PTR)

SOA Record

Raw SOA ns001.posthaus.net.br webmaster.posthaus.com.br 2026032301 16384 2048 2048 2560
Primary NS (mname)
ns001.posthaus.net.br
Admin Email (rname)
webmaster@posthaus.com.br
Serial
2026032301
Refresh
16384s
Retry
2048s
Expire
2048s
Minimum TTL
2560s

Nameservers (NS)

ns001.posthaus.net.br
ns002.posthaus.net.br

SPF Record

✓ Strict (-all)
v=spf1 mx a ip4:200.245.254.64/26 ip4:177.101.99.0/24 include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=5; adkim=r; aspf=s
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
⚠ Policy applies to 5% of failing messages only

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 mx a ip4:200.245.254.64/26 ip4:177.101.99.0/24 include:spf.protection.outlook.com -all
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