Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
brazcubas.edu.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 14:43:18 UTC · ↺ Refresh
MX Hostnames
- brazcubas-edu-br.mail.protection.outlook.com
MX Priorities
- brazcubas-edu-br.mail.protection.outlook.com: 0
A / AAAA Records
- 23.44.201.233 ↩ a23-44-201-233.deploy.static.akamaitechnologies.com
- 23.44.201.235 ↩ a23-44-201-235.deploy.static.akamaitechnologies.com
- 2600:141b:1c00:35::17db:24ea
- 2600:141b:1c00:35::17db:24e4
Mail Server IPs
- 52.101.10.5 ↩ mail-bn6pr04cu00105.inbound.protection.outlook.com
- 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
- 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 52.101.8.34 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f902::2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c902:: ↩ mail-sj2pr05cu00300.inbound.protection.outlook.com
SOA Record
Raw SOA
a1-60.akam.net hostmaster.brazcubas.edu.br 2024041235 3600 600 604800 300
Primary NS (mname)
a1-60.akam.net
Admin Email (rname)
hostmaster@brazcubas.edu.br
Serial
2024041235
Refresh
3600s
Retry
600s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
a1-60.akam.net
a22-66.akam.net
a11-64.akam.net
a12-66.akam.net
a8-65.akam.net
a3-67.akam.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:177.174.96.42/32 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
5 records- onetrust-domain-verification=fc7d770f05734076a61fc268075ed223
- google-site-verification=JfbRHvEODrZ2GyR6xENRBsACZZTFYDIfSafdCcSLy8E
- google-site-verification=zJl-beF-4414Uu155YBEcclS24M3pmMy9p2iiidfp5M
- google-site-verification=zFQW3hWCmJLa4GCtHKG3TMEiyrF6Yeov7F0gkuKCMA0
- SPFv=spf1 ip4:177.174.96.42/32 include:spf.protection.outlook.com -all
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