usiminasmecanica.com.br

Valid Email Server
Domain Lookup › usiminasmecanica.com.br

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
usiminasmecanica.com.br
Yes
✓ Yes
Symantec
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-02 13:01:34 UTC · ↺ Refresh

MX Hostnames

  • cluster1a.us.messagelabs.com
  • cluster1.us.messagelabs.com

MX Priorities

  • cluster1.us.messagelabs.com: 10
  • cluster1a.us.messagelabs.com: 20

A / AAAA Records

  • 189.53.5.222 (no PTR)

Mail Server IPs

  • 67.219.250.215 ↩ mail948.messagelabs.com
  • 67.219.246.210 ↩ mail909.messagelabs.com
  • 67.219.250.212 ↩ mail943.messagelabs.com
  • 67.219.247.202 ↩ mail930.messagelabs.com
  • 67.219.246.208 ↩ mail907.messagelabs.com
  • 67.219.246.215 ↩ mail901.messagelabs.com
  • 67.219.250.218 ↩ mail951.messagelabs.com
  • 67.219.247.106 ↩ mail923.messagelabs.com
  • 34.75.172.113 ↩ 113.172.75.34.bc.googleusercontent.com

SOA Record

Raw SOA dns01.usiminas.com.br segurancadainformacao.usiminas.com 2009072291 900 600 86400 3600
Primary NS (mname)
dns01.usiminas.com.br
Admin Email (rname)
segurancadainformacao@usiminas.com
Serial
2009072291
Refresh
900s
Retry
600s
Expire
86400s
Minimum TTL
3600s

Nameservers (NS)

dns02.usiminas.com.br
dns04.usiminas.com.br
dns05.usiminas.com.br
dns01.usiminas.com.br

SPF Record

✓ Strict (-all)
v=spf1 include:spf.messagelabs.com include:spf.protection.outlook.com include:_spf.google.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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
  • IivAAEy/kJXZ8CZ/DJLvnuQIHLXb56UXBCdYPUKnCCpgioFv4Cv9gKoFYMO5ogSp/cLfm+1asGnl8lszHatKmQ==
  • SPFv=spf1 include:spf.messagelabs.com include:spf.protection.outlook.com include:_spf.google.com -all
  • MS=ms85991612
  • docusign=8356398e-5d1b-478a-b448-d393fb6eb32a
  • _aal1uerzj1ouus2gpzlrcjcg08nfw34
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