Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rn.senac.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 08:28:33 UTC · ↺ Refresh
MX Hostnames
- rn-senac-br.mail.protection.outlook.com
MX Priorities
- rn-senac-br.mail.protection.outlook.com: 0
A / AAAA Records
- 45.229.75.25 (no PTR)
Mail Server IPs
- 52.101.9.5 ↩ mail-mn2pr04cu00205.inbound.protection.outlook.com
- 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
- 52.101.11.10 ↩ mail-sa9pr03cu00202.inbound.protection.outlook.com
- 52.101.9.17 (no PTR)
- 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f902::2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-08.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-08.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns2-08.azure-dns.net
ns3-08.azure-dns.org
ns4-08.azure-dns.info
ns1-08.azure-dns.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com -all include:_spf.rdstation.com.br include:sendgrid.net ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf; pct=100
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- google-site-verification=52gw-jOJq4V2pIqInsTzxtg2zf9ZUFibF5EkbiZrQcs
- facebook-domain-verification=fe8i1n81fdqgao1oogt6e1w5ynf27z
- google-site-verification=L-wqCrpHnws9lTGcrYuIbOopxx3m64LsnbtFC8PWnhI
- apple-domain-verification=oMVKKzwwf7Zh5Z5n
- SPFv=spf1 include:spf.protection.outlook.com -all include:_spf.rdstation.com.br include:sendgrid.net ~all
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