Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gbmx.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-31 02:42:41 UTC · ↺ Refresh
MX Hostnames
- mail2.gbmx.com.br
- gbmx-com-br.mail.protection.outlook.com
MX Priorities
- mail2.gbmx.com.br: 50
- gbmx-com-br.mail.protection.outlook.com: 0
A / AAAA Records
- 198.58.105.40 ↩ ip-198-58-105-40.cloudezapp.io
- 2600:3c00::2000:aff:fed6:1cd3 ↩ ip-198-58-105-40.cloudezapp.io
Mail Server IPs
- 52.101.198.0 ↩ mail-cp5p284cu01800.inbound.protection.outlook.com
- 52.101.198.1 ↩ mail-cp4p284cu00401.inbound.protection.outlook.com
- 52.101.198.38 ↩ mail-cp3p284cu00706.inbound.protection.outlook.com
- 52.101.200.0 ↩ mail-roap284cu02600.inbound.protection.outlook.com
SOA Record
Raw SOA
meera.ns.cloudflare.com dns.cloudflare.com 2398159529 10000 2400 604800 1800
Primary NS (mname)
meera.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398159529
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
meera.ns.cloudflare.com
rory.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spfa.cpmails.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;sp=none;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400;rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._domainkey
✓ Public key: 392 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
6 records- apple-domain-verification=JpryZAqMqer5HfVq
- d1080ec403081d01db274a8e516bfa
- duo_sso_verification=985Q3RAt9ZsObvMlWm3DSwRAjV9QfS2Dv3M0vIbFUkW4g7Ak1GK4MrOFUdYaaGu1
- SPFv=spf1 include:spf.protection.outlook.com include:spfa.cpmails.com -all
- MS=F4FA132D972C7520C03B0046AA0B50E937C3EAFD
- MS=ms50309634
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