caedu.com.br

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
caedu.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-26 23:39:41 UTC · ↺ Refresh

MX Hostnames

  • caedu-com-br.mail.protection.outlook.com

MX Priorities

  • caedu-com-br.mail.protection.outlook.com: 10

A / AAAA Records

  • 52.8.174.221 ↩ ec2-52-8-174-221.us-west-1.compute.amazonaws.com

Mail Server IPs

  • 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
  • 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
  • 52.101.11.10 ↩ mail-sa9pr03cu00202.inbound.protection.outlook.com
  • 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
  • 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com
  • 2a01:111:f403:c927:: ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:f804::3 ↩ mail-co1pr03cu00403.inbound.protection.outlook.com
  • 2a01:111:f403:f802:: ↩ mail-byapr05cu00400.inbound.protection.outlook.com

SOA Record

Raw SOA ns-750.awsdns-29.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-750.awsdns-29.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1497.awsdns-59.org
ns-1597.awsdns-07.co.uk
ns-413.awsdns-51.com
ns-750.awsdns-29.net

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.mailersend.net include:spf.protection.outlook.com include:sendgrid.net include:_spf.direct.one include:amazonses.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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
  • facebook-domain-verification=uhqhmbl27r8dzow9zmevf3q98p01rs
  • google-site-verification=VOQVbkEQs6UzPswRH23tva1Y52srdNTXmyTSsanlwMQ
  • SPFv=spf1 include:_spf.mailersend.net include:spf.protection.outlook.com include:sendgrid.net include:_spf.direct.one include:amazonses.com ~all
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