greenknightsecurity.com

Valid Email Server
Domain Lookup › greenknightsecurity.com

Domain Overview

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

Checked via [email protected] · 2026-03-28 00:15:29 UTC · ↺ Refresh

MX Hostnames

  • greenknightsecurity-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 161.47.40.166 (no PTR)

Mail Server IPs

  • 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
  • 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
  • 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
  • 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
  • 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com
  • 2a01:111:f403:f802:: ↩ mail-byapr05cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f90d::1 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.dreamhost.com hostmaster.dreamhost.com 2025091900 14927 600 1814400 300
Primary NS (mname)
ns1.dreamhost.com
Admin Email (rname)
hostmaster@dreamhost.com
Serial
2025091900
Refresh
14927s
Retry
600s
Expire
1814400s
Minimum TTL
300s

Nameservers (NS)

ns2.dreamhost.com
ns1.dreamhost.com
ns3.dreamhost.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

✗ 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

4 records
  • MS=ms37103236
  • google-site-verification=fnG12alq0Dnz-753zaYwpDMk1WvNEZWYr9g-jmiL9a8
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • apple-domain-verification=TcfybcjIgfbL6FZF
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