horizoncontracting.ca

Valid Email Server
Domain Lookup › horizoncontracting.ca

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
horizoncontracting.ca
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-02 14:15:59 UTC · ↺ Refresh

MX Hostnames

  • horizoncontracting-ca.mail.protection.outlook.com

MX Priorities

  • horizoncontracting-ca.mail.protection.outlook.com: 0

A / AAAA Records

  • 216.187.116.241 (no PTR)

Mail Server IPs

  • 52.101.192.1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
  • 52.101.190.2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
  • 52.101.190.3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
  • 52.101.190.0 ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c944::1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
  • 2a01:111:f403:c944:: ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
  • 2a01:111:f403:c942::2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
  • 2a01:111:f403:c942::3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.caorda.com hostmaster.caorda.com 2025112005 3600 600 1209600 900
Primary NS (mname)
ns1.caorda.com
Admin Email (rname)
hostmaster@caorda.com
Serial
2025112005
Refresh
3600s
Retry
600s
Expire
1209600s
Minimum TTL
900s

Nameservers (NS)

ns2.caorda.com
ns3.caorda.com
ns1.caorda.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.caorda.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

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

2 records
  • SPFv=spf1 include:spf.protection.outlook.com include:spf.caorda.com -all
  • MS=ms82938635
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