spinengenharia.com.br

Valid Email Server
Domain Lookup › spinengenharia.com.br

Domain Overview

DNS: ✓ 20d ago Checker: ✓ 20d ago
spinengenharia.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-21 18:33:52 UTC · ↺ Refresh

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MX Hostnames

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

MX Priorities

  • spinengenharia-com-br.mail.protection.outlook.com: 10

A / AAAA Records

  • 82.112.247.3 (no PTR)
  • 2a02:4780:50:3eff:804f:ec36:e19:a1da (no PTR)
  • 2a02:4780:4e:84ca:dc9:873c:f802:7542

Mail Server IPs

  • 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
  • 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
  • 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
  • 52.101.8.34 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:c803:: ↩ mail-bn1pr21cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c903::3 ↩ mail-mw2pr02cu00503.inbound.protection.outlook.com
  • 2a01:111:f403:c931::1 ↩ mail-sa9pr03cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com

SOA Record

Raw SOA maxim.ns.cloudflare.com dns.cloudflare.com 2404252968 10000 2400 604800 1800
Primary NS (mname)
maxim.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2404252968
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

maxim.ns.cloudflare.com
rita.ns.cloudflare.com

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

✓ 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

3 records
  • anthropic-domain-verification-w27j80=pKSSw1iZYR67uZY6qawoqWx4u
  • atlassian-domain-verification=sKiV1WEH058KU0axGX8IbiywUkK726gJIDOD9V6O/NIBVPEyJ7ucT1TwdkbPgIac
  • SPFv=spf1 include:spf.protection.outlook.com -all
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