r3investigations.com

Valid Email Server
Domain Lookup › r3investigations.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
r3investigations.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-24 01:53:25 UTC · ↺ Refresh

MX Hostnames

  • mx01.r3investigations.com
  • r3investigations-com.mail.protection.outlook.com

MX Priorities

  • r3investigations-com.mail.protection.outlook.com: 0
  • mx01.r3investigations.com: 10

A / AAAA Records

  • 198.49.23.145 (no PTR)
  • 198.185.159.144
  • 198.185.159.145
  • 198.49.23.144

Mail Server IPs

  • 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
  • 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
  • 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
  • 52.101.41.4 ↩ mail-sj2pr05cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:f804::3 ↩ mail-co1pr03cu00403.inbound.protection.outlook.com
  • 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:f90c:: ↩ mail-sn1pr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
  • 68.107.218.231 ↩ r3investigations.com

SOA Record

Raw SOA dns1.p02.nsone.net hostmaster.nsone.net 1589248361 43200 7200 1209600 3600
Primary NS (mname)
dns1.p02.nsone.net
Admin Email (rname)
hostmaster@nsone.net
Serial
1589248361
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

ns01.squarespacedns.com
ns02.squarespacedns.com
ns03.squarespacedns.com
ns04.squarespacedns.com
dns1.p02.nsone.net
dns2.p02.nsone.net
dns3.p02.nsone.net
dns4.p02.nsone.net

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com mx include:shubes.net -all
📊 DNS lookups: 3/10
✓ 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

2 records
  • SPFv=spf1 include:spf.protection.outlook.com mx include:shubes.net -all
  • MS=344FCD1B04040607838235D84B9EB0E6D9163A0F
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