castleworks.com

Valid Email Server
Domain Lookup › castleworks.com

Domain Overview

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

Checked via [email protected] · 2026-03-19 05:48:29 UTC · ↺ Refresh

MX Hostnames

  • castleworks-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 172.67.159.247 (no PTR)
  • 104.21.41.47 (no PTR)
  • 2606:4700:3035::6815:292f
  • 2606:4700:3034::ac43:9ff7

Mail Server IPs

  • 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
  • 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
  • 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
  • 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
  • 2a01:111:f403:c922:: ↩ mail-bl0pr03cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::1 ↩ mail-dm6pr03cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:f907::1 ↩ mail-dm1pr04cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:f902::2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com

SOA Record

Raw SOA lovisa.ns.cloudflare.com dns.cloudflare.com 2399247739 10000 2400 604800 1800
Primary NS (mname)
lovisa.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399247739
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

otto.ns.cloudflare.com
lovisa.ns.cloudflare.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;
⚠ 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

3 records
  • knowbe4-site-verification=6d526a29f8261bb7fd0d09f042a094c1
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • google-site-verification=qLYpH-ye_3htUgo6EIGl3kAbNuuRzh3SSSc_eh6-WAg
Full email verification for castleworks.com

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