validation.org

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
validation.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-23 13:43:32 UTC · ↺ Refresh

MX Hostnames

  • validation-org.mail.protection.outlook.com

MX Priorities

  • validation-org.mail.protection.outlook.com: 0

A / AAAA Records

  • 199.167.200.182 ↩ host.cloudfortynine.com

Mail Server IPs

  • 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
  • 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
  • 52.101.11.15 ↩ mail-sa9pr02cu00207.inbound.protection.outlook.com
  • 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
  • 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
  • 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c946::7 ↩ mail-ch5pr02cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com

SOA Record

Raw SOA ns53.worldnic.com namehost.worldnic.com 125072510 10800 3600 604800 3600
Primary NS (mname)
ns53.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125072510
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns53.worldnic.com
ns54.worldnic.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:76.167.173.85 include:spf.protection.outlook.com include:_spf.mlsend.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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

5 records
  • MS=ms22115228
  • google-site-verification=9t3tl5MiV2qtTVS_fgAyRXgU7_0tizKhVIIniZWpX98
  • mailerlite-domain-verification=d75ee367510ac24513678035b81696fb7f0c3a97
  • DMARCv=DMARC1; p=none; pct=100; rua=mailto:[email protected]; sp=none; aspf=r;
  • SPFv=spf1 ip4:76.167.173.85 include:spf.protection.outlook.com include:_spf.mlsend.com -all
Full email verification for validation.org

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