nbwinc.com

Valid Email Server
Domain Lookup › nbwinc.com

Domain Overview

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

Checked via [email protected] · 2026-05-18 19:51:11 UTC · ↺ Refresh

MX Hostnames

  • nbwinc-com.mail.protection.outlook.com

MX Priorities

  • nbwinc-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 199.16.173.48 (no PTR)
  • 199.16.172.17 (no PTR)

Mail Server IPs

  • 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
  • 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
  • 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
  • 52.101.41.4 ↩ mail-sj2pr05cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:c946::2 ↩ mail-ch4pr04cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f901::2 ↩ mail-bl2pr02cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:f90b:: ↩ mail-bn6pr04cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA ns53.worldnic.com namehost.worldnic.com 125112002 10800 3600 604800 3600
Primary NS (mname)
ns53.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125112002
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns53.worldnic.com
ns54.worldnic.com

SPF Record

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

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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

6 records
  • MS=ms47111404
  • google-site-verification=X2asvy-GYOUYC30XFbPfPV8DvB9qx_NhdYoxglcLVI0
  • libslvki9emk5jdmesgs5o4sf7
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • brevo-code:2969e1f92a71463dfd26108189ca8622
  • 1grkqbsq9bgv0vannspdf41s80
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