nettbuster.com

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-23 19:02:12 UTC · ↺ Refresh

MX Hostnames

  • nettbuster-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 187.17.111.35 (no PTR)

Mail Server IPs

  • 52.101.194.12 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
  • 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
  • 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
  • 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
  • 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
  • 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f910:: ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.bdm.microsoftonline.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1.bdm.microsoftonline.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s

Nameservers (NS)

ns1.bdm.microsoftonline.com
ns2.bdm.microsoftonline.com
ns3.bdm.microsoftonline.com
ns4.bdm.microsoftonline.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

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

4 records
  • atlassian-sending-domain-verification=ffe7b023-90ad-4320-a41d-0ea9bbe5037e
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • mscid=PXG8Qru3DU+Lj/a6bGImfV/9noS+tKDrayholP3vySY59Tpt+tUvobvdQ62/+l1kWNODV8h9U+8PllZyq6RYTA==
  • atlassian-domain-verification=23zxjJw9I6JA84mIWYeU3zotf9ZXBuEYZoIzDm7lAeMB32yfkrTjZ91fRG7hqzwx
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