Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
estruturalrs.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 08:27:20 UTC · ↺ Refresh
MX Hostnames
- estruturalrs-com-br.mail.protection.outlook.com
MX Priorities
- estruturalrs-com-br.mail.protection.outlook.com: 0
A / AAAA Records
- 170.233.229.125 ↩ 170-233-229-125.b3dns.com.br
Mail Server IPs
- 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
- 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
- 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
- 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
- 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
- 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
d.sec.dns.br hostmaster.registro.br 2026061000 345600 900 604800 900
Primary NS (mname)
d.sec.dns.br
Admin Email (rname)
hostmaster@registro.br
Serial
2026061000
Refresh
345600s
Retry
900s
Expire
604800s
Minimum TTL
900s
Nameservers (NS)
d.sec.dns.br
f.sec.dns.br
SPF Record
✓ Strict (-all)
v=spf1 ip4:189.52.117.2/28 ip4:177.23.33.94/30 ip4:177.154.26.74/30 ip4:200.175.200.178/29 ip4:187.72.107.217/29 ip4:170.233.229.121/29 ip4:189.43.129.34/28 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100; rua=mailto:[email protected];aspf=r
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ 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- SPFv=spf1 ip4:189.52.117.2/28 ip4:177.23.33.94/30 ip4:177.154.26.74/30 ip4:200.175.200.178/29 ip4:187.72.107.217/29 ip4:170.233.229.121/29 ip4:189.43.129.34/28 include:spf.protection.outlook.com -all
- b58e289e-b555-4cac-a6c4-b8b5e35f3777
- atlassian-domain-verification=zmhzsP6vf0ro9aQvO1lza7VkvPGyYdfFysaJEQbEgOCc2WmFMfMVOlcDX6azSEff
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