Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dmbest.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-24 08:04:08 UTC · ↺ Refresh
MX Hostnames
- dmbest-com.mail.protection.outlook.com
MX Priorities
- dmbest-com.mail.protection.outlook.com: 0
A / AAAA Records
- 208.109.38.85 ↩ 85.38.109.208.host.secureserver.net
Mail Server IPs
- 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
- 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
- 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
- 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
- 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f90b:: ↩ mail-bn6pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.houston-webhosting.com hostmaster.directoryone.com 2026020701 7200 3600 1209600 86400
Primary NS (mname)
ns1.houston-webhosting.com
Admin Email (rname)
hostmaster@directoryone.com
Serial
2026020701
Refresh
7200s
Retry
3600s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns1.houston-webhosting.com
ns2.houston-webhosting.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
2 records- SPFv=spf1 include:spf.protection.outlook.com -all
- MS=ms88438074
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