biztribution.net

Valid Email Server
Domain Lookup › biztribution.net

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
biztribution.net
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-27 01:05:24 UTC · ↺ Refresh

MX Hostnames

  • biztribution-net.mail.protection.outlook.com

MX Priorities

  • biztribution-net.mail.protection.outlook.com: 0

A / AAAA Records

  • 88.6.103.163 ↩ 163.red-88-6-103.staticip.rima-tde.net

Mail Server IPs

  • 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
  • 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
  • 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
  • 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com

SOA Record

Raw SOA x.ns.joker.com hostmaster.joker.com 2026022598 14400 3600 1209600 300
Primary NS (mname)
x.ns.joker.com
Admin Email (rname)
hostmaster@joker.com
Serial
2026022598
Refresh
14400s
Retry
3600s
Expire
1209600s
Minimum TTL
300s

Nameservers (NS)

y.ns.joker.com
x.ns.joker.com
z.ns.joker.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

4 records
  • mailconf=https://autoconfig.{{$DOMAIN}}/mail/config-v1.1.xml
  • google-site-verification=KVBDlnSV617yzCVM8uRAN-jiK7M2piZupQ4fPU_k604
  • MS=ms80592458
  • SPFv=spf1 include:spf.protection.outlook.com -all
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