sandbplumbing.com

Valid Email Server
Domain Lookup › sandbplumbing.com

Domain Overview

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

Checked via [email protected] · 2026-03-31 18:28:57 UTC · ↺ Refresh

MX Hostnames

  • mx-cluster-usa01.hornetsecurity.com
  • mx-cluster-usa04.hornetsecurity.com
  • mx-cluster-usa02.hornetsecurity.com
  • sandbplumbing-com.mail.protection.outlook.com
  • mx-cluster-usa03.hornetsecurity.com

MX Priorities

  • mx-cluster-usa04.hornetsecurity.com: 40
  • sandbplumbing-com.mail.protection.outlook.com: 0
  • mx-cluster-usa03.hornetsecurity.com: 30
  • mx-cluster-usa01.hornetsecurity.com: 10
  • mx-cluster-usa02.hornetsecurity.com: 20

A / AAAA Records

  • 52.11.37.152 ↩ ec2-52-11-37-152.us-west-2.compute.amazonaws.com
  • 34.224.10.110

Mail Server IPs

  • 173.45.18.100 ↩ hsmx01-hz5.hornetsecurity.com
  • 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
  • 52.101.9.2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
  • 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
  • 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:f907::1 ↩ mail-dm1pr04cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
  • 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com
  • 2a01:111:f403:f902::2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.domain.com dnsadmin.domain.com 2012092404 10800 3600 604800 3600
Primary NS (mname)
ns1.domain.com
Admin Email (rname)
dnsadmin@domain.com
Serial
2012092404
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns2.domain.com
ns1.domain.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

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

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

All TXT Records

4 records
  • google-site-verification=jMdDHf8-Ks9h_O7HIorEpdV9G4MubejGKlY7qw220fI
  • MS=ms40882110
  • dzc=vyWub9a
  • SPFv=spf1 include:spf.protection.outlook.com -all
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