r3bsolutions.com

Valid Email Server
Domain Lookup › r3bsolutions.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
r3bsolutions.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-31 06:54:13 UTC · ↺ Refresh

MX Hostnames

  • r3bsolutions-com.mail.protection.outlook.com

MX Priorities

  • r3bsolutions-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 192.124.249.11 ↩ cloudproxy10011.sucuri.net

Mail Server IPs

  • 52.101.9.2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
  • 52.101.11.2 ↩ mail-sn1pr03cu00102.inbound.protection.outlook.com
  • 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
  • 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::1 ↩ mail-dm6pr03cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:c946::7 ↩ mail-ch5pr02cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:c946::2 ↩ mail-ch4pr04cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com

SOA Record

Raw SOA ns-1740.awsdns-25.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1740.awsdns-25.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1474.awsdns-56.org
ns-1740.awsdns-25.co.uk
ns-6.awsdns-00.com
ns-784.awsdns-34.net

SPF Record

✓ Strict (-all)
v=spf1 include:_spf.r3bsolutions.com include:spf.protection.outlook.com include:spf.constantcontact.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; pct=100; ri=86400; rua=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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

6 records
  • uhareoaqee9f8d888l5jh2fp5e
  • SPFv=spf1 include:_spf.r3bsolutions.com include:spf.protection.outlook.com include:spf.constantcontact.com -all
  • birqmgvi2k4c5jlkhh1c54m3aj
  • google-site-verification=G5CD98tKa2dhOUFe6Y0FVL82TuU4BOAQx4ghljCpxFo
  • jc63v4b8df34vbe4j4p5v6ta42
  • ph4gfsvantvb4oehhfm6s22e5v
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