santosbrasil.com.br

Valid Email Server
Domain Lookup › santosbrasil.com.br

Domain Overview

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

Checked via [email protected] · 2026-03-29 04:01:23 UTC · ↺ Refresh

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MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 155.204.200.202 (no PTR)

Mail Server IPs

  • 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
  • 52.101.9.11 ↩ mail-bl2pr04cu00103.inbound.protection.outlook.com
  • 52.101.41.56 ↩ mail-sj0pr21cu00100.inbound.protection.outlook.com
  • 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
  • 2a01:111:f403:f903:: (no PTR)

SOA Record

Raw SOA ns1-33.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-33.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s

Nameservers (NS)

ns3-33.azure-dns.org
ns4-33.azure-dns.info
ns1-33.azure-dns.com
ns2-33.azure-dns.net

SPF Record

✓ Strict (-all)
v=spf1 include:stbrasil.mailgrid.com.br include:spf.protection.outlook.com ip4:155.204.200.224 ip4:187.60.25.246 ip4:187.60.25.253 ip4:200.205.26.40 ip4:200.205.26.244 ip4:34.168.197.200 ip4:34.83.143.116 ip4:34.141.90.172 ip4:34.107.47.119 include:mail.zendesk.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=100; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 6 found
selector1._domainkey
selector2._domainkey
default._domainkey
k1._domainkey
s1._domainkey
s2._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

5 records
  • docusign=3940d6a2-1bbd-40de-9992-b56696546187
  • ZOOM_verify_i-yyz6XiR76WuQbhjxjayA
  • SPFv=spf1 include:stbrasil.mailgrid.com.br include:spf.protection.outlook.com ip4:155.204.200.224 ip4:187.60.25.246 ip4:187.60.25.253 ip4:200.205.26.40 ip4:200.205.26.244 ip4:34.168.197.200 ip4:34.83.143.116 ip4:34.141.90.172 ip4:34.107.47.119 include:mail.zendesk.com -all
  • MS=ms94112482
  • MS=ms51589616
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