Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
estrela.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-31 00:02:04 UTC · ↺ Refresh
MX Hostnames
- estrela-com-br.mail.protection.outlook.com
MX Priorities
- estrela-com-br.mail.protection.outlook.com: 0
A / AAAA Records
- 172.66.172.149 (no PTR)
- 104.20.16.50 (no PTR)
- 2606:4700:10::6814:1032
- 2606:4700:10::ac42:ac95
Mail Server IPs
- 52.101.10.16 ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 52.101.10.8 ↩ mail-bn1pr04cu00100.inbound.protection.outlook.com
- 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
- 2a01:111:f403:f90d::1 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f907::1 ↩ mail-dm1pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c92c::2 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f90b:: ↩ mail-bn6pr04cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
jacob.ns.cloudflare.com dns.cloudflare.com 2399735696 10000 2400 604800 1800
Primary NS (mname)
jacob.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399735696
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
jacob.ns.cloudflare.com
rachel.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.google.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;sp=reject;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];ri=3600;aspf=s;adkim=s;fo=0:1:d:s;
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
mail._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
2 records- SPFv=spf1 include:spf.protection.outlook.com include:_spf.google.com -all
- www.estrela.com.br.cdn.vtex.com
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