Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
3dky.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-28 06:10:43 UTC · ↺ Refresh
MX Hostnames
- 3dky-com.mail.protection.outlook.com
MX Priorities
- 3dky-com.mail.protection.outlook.com: 10
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
- 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
- 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
- 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
- 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c902::3 ↩ mail-sj0pr03cu01703.inbound.protection.outlook.com
- 2a01:111:f403:c946::2 ↩ mail-ch4pr04cu00102.inbound.protection.outlook.com
SOA Record
Raw SOA
dns1.nameresolvers.com dnsadmin.namejuice.com 2024082820 7200 7200 604800 86400
Primary NS (mname)
dns1.nameresolvers.com
Admin Email (rname)
dnsadmin@namejuice.com
Serial
2024082820
Refresh
7200s
Retry
7200s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
dns3.nameresolvers.com
dns4.nameresolvers.com
dns1.nameresolvers.com
dns2.nameresolvers.com
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
1 record- SPFv=spf1 include:spf.protection.outlook.com -all
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