sunbeltmicrosystems.com

Valid Email Server
Domain Lookup › sunbeltmicrosystems.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
sunbeltmicrosystems.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-02 07:02:20 UTC · ↺ Refresh

MX Hostnames

  • sunbeltmicrosystems.com

MX Priorities

  • sunbeltmicrosystems.com: 0

A / AAAA Records

  • 23.19.244.129 (no PTR)

Mail Server IPs

  • 23.19.244.129 (no PTR)

SOA Record

Raw SOA ns1.server.plus monitor.corp.hostiso.com 2026040201 3600 1800 1209600 86400
Primary NS (mname)
ns1.server.plus
Admin Email (rname)
monitor@corp.hostiso.com
Serial
2026040201
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns4.server.plus
ns1.server.plus
ns2.server.plus
ns3.server.plus

SPF Record

✓ Soft Fail (~all)
v=spf1 +a +mx +ip4:172.241.164.28 +ip4:23.19.244.225 +ip4:23.19.244.173 +ip4:69.175.5.232 +ip4:108.178.51.83 ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate 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

1 record
  • SPFv=spf1 +a +mx +ip4:172.241.164.28 +ip4:23.19.244.225 +ip4:23.19.244.173 +ip4:69.175.5.232 +ip4:108.178.51.83 ~all
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