Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cesmac.edu.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-24 14:36:16 UTC · ↺ Refresh
MX Hostnames
- cesmac-edu-br.mail.protection.outlook.com
MX Priorities
- cesmac-edu-br.mail.protection.outlook.com: 0
A / AAAA Records
- 132.226.247.91 (no PTR)
Mail Server IPs
- 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
- 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
- 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
- 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
- 2a01:111:f403:f90a::1 ↩ mail-bn8pr03cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
- 2a01:111:f403:c902:: ↩ mail-sj2pr05cu00300.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.bdm.microsoftonline.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1.bdm.microsoftonline.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns4.bdm.microsoftonline.com
ns1.bdm.microsoftonline.com
ns2.bdm.microsoftonline.com
ns3.bdm.microsoftonline.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:mailgun.org include:_spf.localservices.com.br include:_spf.elasticemail.com ~all ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; pct=100; rf=afrf
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
k1._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- INLiYGt18kIUeh7wQDWoeLIZNlzB0iwt7bUu68D2zG+jzBiXqnn/dNBXb8ON6gOGuDS8T8LIfPHTzjRexsGawg==
- SPFv=spf1 include:spf.protection.outlook.com include:mailgun.org include:_spf.localservices.com.br include:_spf.elasticemail.com ~all ~all
- mscid=rd7GbM4c+s0dyY5JXPBdG1n6XtoZZ04G8HDnGvgSMTKKrr5JJcWqQjbwqqguO4tl7gbqqyNgQ3W3vx2yCUJ0HA==
- MS=ms85770057
- google-site-verification=rQLn0fsoZmlIZw1CBFbSdygA31fh2894rKBLazr46IQ
Full email verification for cesmac.edu.br
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