proativetec.com.br

Valid Email Server
Domain Lookup › proativetec.com.br

Domain Overview

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

Checked via [email protected] · 2026-03-24 04:39:01 UTC · ↺ Refresh

MX Hostnames

  • ns2.bdm.microsoftonline.com
  • ns3.bdm.microsoftonline.com
  • ns1.bdm.microsoftonline.com
  • ns4.bdm.microsoftonline.com
  • proativetec-com-br.mail.protection.outlook.com

MX Priorities

  • ns1.bdm.microsoftonline.com: 1
  • ns2.bdm.microsoftonline.com: 2
  • ns3.bdm.microsoftonline.com: 3
  • ns4.bdm.microsoftonline.com: 4
  • proativetec-com-br.mail.protection.outlook.com: 0

A / AAAA Records

  • 44.193.128.74

Mail Server IPs

  • 13.107.236.208 ↩ ns1-208.azure-dns.com
  • 2603:1061::700:0:0:0:d0 ↩ ns1-208.azure-dns.com
  • 150.171.21.208 ↩ ns2-208.azure-dns.net
  • 2620:1ec:8ec:700::d0 ↩ ns2-208.azure-dns.net
  • 204.14.183.208 ↩ ns3-208.azure-dns.org
  • 2a01:111:4000:700::d0 ↩ ns3-208.azure-dns.org
  • 208.84.5.208 ↩ ns4-208.azure-dns.info
  • 2620:1ec:bda:700::d0 ↩ ns4-208.azure-dns.info
  • 52.101.194.17 ↩ mail-ch5pr02cu00401.inbound.protection.outlook.com
  • 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
  • 52.101.40.2
  • 52.101.10.12
  • 2a01:111:f403:c946::6
  • 2a01:111:f403:c902::6
  • 2a01:111:f403:f902::2
  • 2a01:111:f403:c92c::2

SOA Record

Raw SOA d.sec.dns.br hostmaster.registro.br 2026063000 86400 900 604800 900
Primary NS (mname)
d.sec.dns.br
Admin Email (rname)
hostmaster@registro.br
Serial
2026063000
Refresh
86400s
Retry
900s
Expire
604800s
Minimum TTL
900s

Nameservers (NS)

f.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

1 record
  • SPFv=spf1 include:spf.protection.outlook.com -all
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