netdefender.com

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-21 13:50:54 UTC · ↺ Refresh

MX Hostnames

  • netdefender-com.mail.protection.outlook.com

MX Priorities

  • netdefender-com.mail.protection.outlook.com: 20

A / AAAA Records

  • 104.21.71.62 (no PTR)
  • 172.67.169.254 (no PTR)
  • 2606:4700:3037::6815:473e
  • 2606:4700:3034::ac43:a9fe

Mail Server IPs

  • 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
  • 52.101.194.17 ↩ mail-ch5pr02cu00401.inbound.protection.outlook.com
  • 52.101.42.14 ↩ mail-mw2pr04cu00106.inbound.protection.outlook.com
  • 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com
  • 2a01:111:f403:c902::2 ↩ mail-sj0pr03cu01602.inbound.protection.outlook.com
  • 2a01:111:f403:f907::1 ↩ mail-dm1pr04cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com

SOA Record

Raw SOA ivan.ns.cloudflare.com dns.cloudflare.com 2398446429 10000 2400 604800 1800
Primary NS (mname)
ivan.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398446429
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

leah.ns.cloudflare.com
ivan.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 mx a a:ws1.netdefender.com a:ws2.netdefender.com a:ws3.netdefender.com include:spf.protection.outlook.com ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate 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

3 records
  • SPFv=spf1 mx a a:ws1.netdefender.com a:ws2.netdefender.com a:ws3.netdefender.com include:spf.protection.outlook.com ~all
  • MS=ms37931160
  • sophos-domain-verification=905b287927ba387a4a76b3453f8da30d97055b2d
Full email verification for netdefender.com

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