Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mdiasbranco.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 00:22:18 UTC · ↺ Refresh
MX Hostnames
- mdiasbranco-com-br.mail.protection.outlook.com
MX Priorities
- mdiasbranco-com-br.mail.protection.outlook.com: 1
A / AAAA Records
- 177.184.136.49 (no PTR)
Mail Server IPs
- 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
- 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
- 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
- 52.101.8.34 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 2a01:111:f403:c803:: ↩ mail-bn1pr21cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f90d:: ↩ mail-sn1pr0501cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f903:: (no PTR)
- 2a01:111:f403:c922:: ↩ mail-bl0pr03cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.mdb.com.br ns3.mdb.com.br 2026030617 3600 3600 86400 300
Primary NS (mname)
ns1.mdb.com.br
Admin Email (rname)
ns3@mdb.com.br
Serial
2026030617
Refresh
3600s
Retry
3600s
Expire
86400s
Minimum TTL
300s
Nameservers (NS)
ns3.mdb.com.br
ns1.mdb.com.br
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:_spf.rdstation.com.br include:sendgrid.net ip4:187.28.89.0/24 ip4:177.184.136.0/26 mx ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf
✓ 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: 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
5 records- logmein-verification-code=90dc7655-a868-458c-b24f-cd7ecb37f61e
- uber-domain-verification=06e6b284-a3f3-45a3-abe2-98fcfba054fa
- SPFv=spf1 include:spf.protection.outlook.com include:_spf.rdstation.com.br include:sendgrid.net ip4:187.28.89.0/24 ip4:177.184.136.0/26 mx ~all
- MS=ms92712596
- _globalsign-domain-verification=zVAa2BCDAFAmLavdUVDsMuGFCq_7hgxT2pV5iy-kg2
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