Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
glbr.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-20 13:18:58 UTC · ↺ Refresh
MX Hostnames
- glbr-com-br.mail.protection.outlook.com
MX Priorities
- glbr-com-br.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.94.81 (no PTR)
- 172.67.221.69 (no PTR)
- 2606:4700:3035::6815:5e51
- 2606:4700:3031::ac43:dd45
Mail Server IPs
- 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
- 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
- 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
- 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
- 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
SOA Record
Raw SOA
irma.ns.cloudflare.com dns.cloudflare.com 2399421181 10000 2400 604800 1800
Primary NS (mname)
irma.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399421181
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
randall.ns.cloudflare.com
irma.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.mensagex.com.br include:spf-001e7403.pphosted.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; np=reject; fo=1; aspf=s; adkim=s; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
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- MS=ms60881193
- autodesk-domain-verification=ti8zDfYoTgqzrap5HHVN
- SPFv=spf1 include:spf.protection.outlook.com include:spf.mensagex.com.br include:spf-001e7403.pphosted.com -all
Full email verification for glbr.com.br
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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