Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
fei.edu.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-31 08:16:20 UTC · ↺ Refresh
MX Hostnames
- fei-edu-br.mail.protection.outlook.com
MX Priorities
- fei-edu-br.mail.protection.outlook.com: 0
A / AAAA Records
- 159.60.155.47 (no PTR)
Mail Server IPs
- 52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com
- 52.101.11.15 ↩ mail-sa9pr02cu00207.inbound.protection.outlook.com
- 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
- 52.101.10.5 ↩ mail-bn6pr04cu00105.inbound.protection.outlook.com
- 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com
- 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com
- 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-395.awsdns-49.com awsdns-hostmaster.amazon.com 2024061801 7200 900 1209600 86400
Primary NS (mname)
ns-395.awsdns-49.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
2024061801
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-892.awsdns-47.net
ns-1107.awsdns-10.org
ns-1841.awsdns-38.co.uk
ns-395.awsdns-49.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.enviaremails.com.br ip4:200.232.90.158 ip4:200.232.90.141 include:spf.newsletter.infofei.com.br a mx include:_spf.elasticemail.com include:spf.protection.outlook.com include:_spf.rdstation.com.br include:sendgrid.net -all
📊 DNS lookups: 8/10
✓ Hard fail (-all) — strict 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
✓ 4 found
selector1._domainkey
selector2._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
3 records- SPFv=spf1 include:spf.enviaremails.com.br ip4:200.232.90.158 ip4:200.232.90.141 include:spf.newsletter.infofei.com.br a mx include:_spf.elasticemail.com include:spf.protection.outlook.com include:_spf.rdstation.com.br include:sendgrid.net -all
- cisco-ci-domain-verification=ed70c6ea4f6a5619c9f726c96ce8e56d8f6dc81dd6389636d81976d47e44fa2
- google-site-verification=IFHmwfl3z1vzU4jVjFD9InXVn-DLTSxEIzAupzUkL2w
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