Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
diatom.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-20 15:43:32 UTC · ↺ Refresh
MX Hostnames
- diatom-com-br.mail.protection.outlook.com
MX Priorities
- diatom-com-br.mail.protection.outlook.com: 0
A / AAAA Records
- 191.6.208.137 ↩ web167.kinghost.net
- 2804:10:8001::208:137 (no PTR)
Mail Server IPs
- 52.101.198.1 ↩ mail-cp4p284cu00401.inbound.protection.outlook.com
- 52.101.200.0 ↩ mail-roap284cu02600.inbound.protection.outlook.com
- 52.101.198.38 ↩ mail-cp3p284cu00706.inbound.protection.outlook.com
- 52.101.198.0 ↩ mail-cp5p284cu01800.inbound.protection.outlook.com
SOA Record
Raw SOA
dns1.kinghost.com.br abuse.kinghost.net 2309081288 86400 14400 604800 3600
Primary NS (mname)
dns1.kinghost.com.br
Admin Email (rname)
abuse@kinghost.net
Serial
2309081288
Refresh
86400s
Retry
14400s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
dns2.kinghost.com.br
dns1.kinghost.com.br
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- MS=ms24256444
- SPFv=spf1 include:spf.protection.outlook.com -all
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