rubikmarketing.com

Valid Email Server
Domain Lookup › rubikmarketing.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
rubikmarketing.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-28 09:18:10 UTC · ↺ Refresh

MX Hostnames

  • rubikmarketing-com.mail.protection.outlook.com
  • mail.global.frontbridge.com

MX Priorities

  • rubikmarketing-com.mail.protection.outlook.com: 0
  • mail.global.frontbridge.com: 10

A / AAAA Records

  • 198.185.159.144 (no PTR)
  • 198.185.159.145 (no PTR)
  • 198.49.23.144
  • 198.49.23.145

Mail Server IPs

  • 52.101.10.1 ↩ mail-bn6pr02cu00301.inbound.protection.outlook.com
  • 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
  • 52.101.194.3 ↩ mail-ch1pr04cu00103.inbound.protection.outlook.com
  • 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
  • 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com
  • 2a01:111:f403:f802:: ↩ mail-byapr05cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com
  • 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.linode.com info.rubikmarketing.com 2019110532 14400 14400 1209600 86400
Primary NS (mname)
ns1.linode.com
Admin Email (rname)
info@rubikmarketing.com
Serial
2019110532
Refresh
14400s
Retry
14400s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns3.linode.com
ns5.linode.com
ns1.linode.com
ns4.linode.com
ns2.linode.com

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

1 record
  • SPFv=spf1 include:spf.protection.outlook.com -all
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