Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
stemac.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-20 14:47:54 UTC · ↺ Refresh
MX Hostnames
- stemac-com-br.mail.protection.outlook.com
MX Priorities
- stemac-com-br.mail.protection.outlook.com: 0
A / AAAA Records
- 191.252.4.67 (no PTR)
Mail Server IPs
- 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
- 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
- 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
- 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
- 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f913:: ↩ mail-cy1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com
- 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
SOA Record
Raw SOA
bob.ns.cloudflare.com dns.cloudflare.com 2397927121 10000 2400 604800 1800
Primary NS (mname)
bob.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397927121
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
bob.ns.cloudflare.com
dolly.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:177.91.240.41 include:spf.protection.outlook.com include:_spf.tray.com.br include:_spf.nexxera.com include:_spf.rdstation.com.br include:sendgrid.net -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf; pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
mail._domainkey
s1._domainkey
s2._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
4 records- brevo-code:b72478267283cb5943bde4d5cf78d740
- SPFv=spf1 ip4:177.91.240.41 include:spf.protection.outlook.com include:_spf.tray.com.br include:_spf.nexxera.com include:_spf.rdstation.com.br include:sendgrid.net -all
- vAXV0ybl5yvzLWCrHh5CeQ9u9tzlIRTu05OPR5mk8IhKO+AT+CgekVQjm66IsUfOg6orIRDw/NIkMZFxUFTGLQ==
- MS=ms30903657
Full email verification for stemac.com.br
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