cruybeltpr.com

Valid Email Server
Domain Lookup › cruybeltpr.com

Domain Overview

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

Checked via [email protected] · 2026-03-24 01:20:17 UTC · ↺ Refresh

MX Hostnames

  • cruybeltpr-com.mail.protection.outlook.com

MX Priorities

  • cruybeltpr-com.mail.protection.outlook.com: 10

A / AAAA Records

  • 3.134.137.42 ↩ wb5.prw.net

Mail Server IPs

  • 52.101.194.15 ↩ mail-ch4pr21cu00107.inbound.protection.outlook.com
  • 52.101.10.16 ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
  • 52.101.41.4 ↩ mail-sj2pr05cu00204.inbound.protection.outlook.com
  • 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
  • 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::2 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f903:: (no PTR)

SOA Record

Raw SOA ns1.cruybeltpr.com postmater.cruybeltpr.com 2026032300 3600 1800 1209600 86400
Primary NS (mname)
ns1.cruybeltpr.com
Admin Email (rname)
postmater@cruybeltpr.com
Serial
2026032300
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns1.cruybeltpr.com
ns2.cruybeltpr.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:3.134.137.42 include:prw.net include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default

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

All TXT Records

3 records
  • MS=31694855
  • _osogd8lk1lbrmeqmq9qajzaiqe0e65s
  • SPFv=spf1 ip4:3.134.137.42 include:prw.net include:spf.protection.outlook.com -all
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