lmcconstruction.com

Valid Email Server
Domain Lookup › lmcconstruction.com

Domain Overview

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

Checked via [email protected] · 2026-03-27 15:30:11 UTC · ↺ Refresh

MX Hostnames

  • mx-cluster-usa03.hornetsecurity.com
  • mx-cluster-usa04.hornetsecurity.com
  • mx-cluster-usa01.hornetsecurity.com
  • mx-cluster-usa02.hornetsecurity.com

MX Priorities

  • mx-cluster-usa03.hornetsecurity.com: 30
  • mx-cluster-usa04.hornetsecurity.com: 40
  • mx-cluster-usa01.hornetsecurity.com: 10
  • mx-cluster-usa02.hornetsecurity.com: 20

A / AAAA Records

  • 143.244.183.231 (no PTR)

Mail Server IPs

  • 173.45.18.100 ↩ hsmx01-hz5.hornetsecurity.com

SOA Record

Raw SOA ns07.domaincontrol.com dns.jomax.net 2025072302 28800 7200 604800 600
Primary NS (mname)
ns07.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025072302
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns08.domaincontrol.com
ns07.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.hornetsecurity.com include:turbo-smtp.com include:servers.mcsv.net include:_spf.psm.knowbe4.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1

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

All TXT Records

7 records
  • ZOOM_verify_nPexyThBSf-ELrVLUjRsbw
  • apple-domain-verification=zzyBQANhix93gqYX
  • autodesk-domain-verification=9IEcCAXm6wZ_pQ6YxkxG
  • SPFv=spf1 include:spf.protection.outlook.com include:spf.hornetsecurity.com include:turbo-smtp.com include:servers.mcsv.net include:_spf.psm.knowbe4.com -all
  • amazon-business-verification=d683fff4dabcdd3c10126e1740eb10f6e0ae9b0a15891b1fe7dee2dbd3e40437
  • v=verifydomain MS=7194513
  • docusign=c08e89c5-b98a-42b7-bc27-62c693c56032
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