Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cetrus.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-24 04:19:46 UTC · ↺ Refresh
MX Hostnames
- cetrus-com-br.mail.protection.outlook.com
MX Priorities
- cetrus-com-br.mail.protection.outlook.com: 10
A / AAAA Records
- 192.0.78.205 (no PTR)
- 192.0.78.158 (no PTR)
Mail Server IPs
- 52.101.10.10 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
- 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
- 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com
- 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 2a01:111:f403:f90a::1 ↩ mail-bn8pr03cu00201.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-32.azure-dns.com azuredns-hostmaster.microsoft.com 2021121314 3600 300 2419200 300
Primary NS (mname)
ns1-32.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
2021121314
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns2-32.azure-dns.net
ns3-32.azure-dns.org
ns4-32.azure-dns.info
ns1-32.azure-dns.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.mandrillapp.com include:spf.protection.outlook.com include:9321751.spf03.hubspotemail.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; sp=none; ruf=mailto:[email protected]; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 3 found
mail._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
12 records- google-site-verification=de118lLbI9hO2Coqz0TCK0BPtA2gr1UM3yxpwtoQ3iM
- google-site-verification=dmIy2jiKxvhq2RLKGegk2B9yzITunrS1rssr1gVT7Uo
- google-site-verification=VhD_up4kCcMmImrqY7WOS9PZI1jpuouL2OYJxNtGKOY
- google-gws-recovery-domain-verification=55368021
- MS=8D9730919CD0EA58BEC17E327AD050BF1FBD8049
- SPFv=spf1 include:spf.mandrillapp.com include:spf.protection.outlook.com include:9321751.spf03.hubspotemail.net -all
- MS=ms77618961
- MS=ms26642349
- workplace-domain-verification=EBuc9MGhD5oT01wOZ79brc1Jzsy6ZS
- citrix-verification-code=c0a1bc53-cecd-4b5c-9395-1781e68ea28c
- 6c2q4v0pjb6f5744pvrjv4qld5
- google-site-verification=St5suwaq_QDp2dV7W29xjDEA10eGE-acCuOUXlp8g_M
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