Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cepel.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-26 19:11:11 UTC · ↺ Refresh
MX Hostnames
- cepel-br.mail.protection.outlook.com
MX Priorities
- cepel-br.mail.protection.outlook.com: 0
A / AAAA Records
- 191.233.203.33 (no PTR)
Mail Server IPs
- 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
- 52.101.42.14 ↩ mail-mw2pr04cu00106.inbound.protection.outlook.com
- 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
- 52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com
- 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:f90d:: ↩ mail-sn1pr0501cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f90d::1 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-36.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-36.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns2-36.azure-dns.net
ns3-36.azure-dns.org
ns4-36.azure-dns.info
dnsslave-3.cepel.br
dnsslave-1.cepel.br
ns1-36.azure-dns.com
SPF Record
✓ Strict (-all)
v=spf1 a mx include:spf.aknamail.com.br include:spf.protection.outlook.com include:23208388.spf10.hubspotemail.net include:spf-007a2802.pphosted.com include:_spf.rdstation.com.br -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; adkim=s; aspf=s; fo=1; sp=quarantine
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
8 records- SPFv=spf1 a mx include:spf.aknamail.com.br include:spf.protection.outlook.com include:23208388.spf10.hubspotemail.net include:spf-007a2802.pphosted.com include:_spf.rdstation.com.br -all
- p56katkrko0a0borvherjs7b83
- psnb586a1qu03s7fhufafg2l7g
- include:23208388.spf10.hubspotemail.net
- 6RJ8M0HCKIKSBU4FC2FIIFAA0U4DE0V9V3ZP4KW2
- MS=FDC03BB79FE282F427AF91093522FE42ABCB1DD4
- knowbe4-site-verification=13f4e654ac155211bf6e1ca6bfc85f5f
- atlassian-domain-verification=xPv4BCtORdJvrtjDHGZ/kR4oPB1N4p1c6ZrCIY1PiVciJHWO34LX2aZZug7Jzfnd
Full email verification for cepel.br
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