3partners.biz

Valid Email Server
Domain Lookup › 3partners.biz

Domain Overview

DNS: ✓ 29d ago Checker: ✓ 29d ago
3partners.biz
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-07-30 06:55:12 UTC · ↺ Refresh

Add email validation to your forms — free

Add our free script to block 10,000+ disposable domains + perform other checks. No signup, unlimited checks.

MX validation Disposable detection Role accounts
Add to your signup form
<script src="https://check.verifyswift.com/"></script>
One line · No registration · See full docs & demo → · Customize →

MX Hostnames

  • 3partners-biz.mail.protection.outlook.com

MX Priorities

  • 3partners-biz.mail.protection.outlook.com: 0

A / AAAA Records

  • 199.34.228.77 ↩ pages-custom-29.weebly.com

Mail Server IPs

  • 52.101.8.44 ↩ mail-dm5pr04cu00104.inbound.protection.outlook.com
  • 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
  • 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
  • 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
  • 2a01:111:f403:c922:: ↩ mail-bl0pr03cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:f908::2 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com

SOA Record

Raw SOA ns59.domaincontrol.com dns.jomax.net 2026040903 28800 7200 604800 600
Primary NS (mname)
ns59.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026040903
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns60.domaincontrol.com
ns59.domaincontrol.com

SPF Record

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

DMARC Record

~ Quarantine
v=DMARC1;p=quarantine;pct=75
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
⚠ Policy applies to 75% of failing messages only

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
Free · No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site · Customize →
See demo & docs
Deep verification
Full email verification for 3partners.biz

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits