dbuinc.com

Valid Email Server
Domain Lookup › dbuinc.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
dbuinc.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-21 17:15:31 UTC · ↺ Refresh

MX Hostnames

  • dbuinc-com.mail.protection.outlook.com

MX Priorities

  • dbuinc-com.mail.protection.outlook.com: 10

A / AAAA Records

  • 75.101.134.27 ↩ ec2-75-101-134-27.compute-1.amazonaws.com

Mail Server IPs

  • 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
  • 52.101.41.4 ↩ mail-sj2pr05cu00204.inbound.protection.outlook.com
  • 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
  • 52.101.41.56 ↩ mail-sj0pr21cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f902:: ↩ mail-bl2pr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:f910:: ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:f90a::1 ↩ mail-bn8pr03cu00201.inbound.protection.outlook.com

SOA Record

Raw SOA ns4.wixdns.net support.wix.com 2017092910 10800 3600 1209600 3600
Primary NS (mname)
ns4.wixdns.net
Admin Email (rname)
support@wix.com
Serial
2017092910
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

ns4.wixdns.net
ns5.wixdns.net

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✗ None detected

No 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=ms48554686
  • SPFv=spf1 include:spf.protection.outlook.com -all
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