jmconstructionco.com

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-19 20:11:08 UTC · ↺ Refresh

MX Hostnames

  • jmconstructionco-com.mail.protection.outlook.com

MX Priorities

  • jmconstructionco-com.mail.protection.outlook.com: 1

A / AAAA Records

  • 3.208.135.31 ↩ ec2-3-208-135-31.compute-1.amazonaws.com

Mail Server IPs

  • 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
  • 52.101.194.15 ↩ mail-ch4pr21cu00107.inbound.protection.outlook.com
  • 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
  • 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com
  • 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:f90a::1 ↩ mail-bn8pr03cu00201.inbound.protection.outlook.com

SOA Record

Raw SOA ns13.domaincontrol.com dns.jomax.net 2025120902 28800 7200 604800 600
Primary NS (mname)
ns13.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025120902
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns13.domaincontrol.com
ns14.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:50416893.spf06.hubspotemail.net ip4:162.210.199.210 ip4:216.22.25.145 +a +mx -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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

3 records
  • DKIMv=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAw4HN1oU2zRpSYF00XU807oUQAA3oUiXwvfbxKk3F1ae+mLa0A+mBSiOkdNoXNP8yuD0QdfLdhwVt944H+PQuocnMkkaxHCYIGxzjKYra7UM6a5RmV2tDKnHLcvySAMljgJ0iqwz0Oe4CoDDtdY5Eo1hLizj+83khfC3XbXxBdchf3bVubrd+rN7GrFgGaAgGw5wFBJ5BfCoUaV2Dw55BSbDfKhp+v71Y5OA0z5NtVivwTb9j0S6aJMGNH6MGvfnLoaiyMEyohPCCqlFUB+i2Y9KCPYP2+gYUa7K1mn0cb5y+mVc9xGTsR0UvPlyxWAHycO+wwxqehPavRPVhsVIFDQIDAQAB;
  • MS=ms56407705
  • SPFv=spf1 include:spf.protection.outlook.com include:50416893.spf06.hubspotemail.net ip4:162.210.199.210 ip4:216.22.25.145 +a +mx -all
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