Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mamg.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-20 19:17:50 UTC · ↺ Refresh
MX Hostnames
- mamg-com-br.mail.protection.outlook.com
MX Priorities
- mamg-com-br.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.36.197 (no PTR)
- 172.67.199.14 (no PTR)
- 2606:4700:3031::ac43:c70e
- 2606:4700:3034::6815:24c5
Mail Server IPs
- 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
- 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
- 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
- 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f90d::1 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
janet.ns.cloudflare.com dns.cloudflare.com 2399408509 10000 2400 604800 1800
Primary NS (mname)
janet.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399408509
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
seth.ns.cloudflare.com
janet.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
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- sendinblue-code:2c7e486798930087077413fa6d72af79
- SPFv=spf1 include:spf.protection.outlook.com -all
- MS=ms24563636
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