horizoncity.org

Valid Email Server
Domain Lookup › horizoncity.org

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
horizoncity.org
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-22 20:13:17 UTC · ↺ Refresh

MX Hostnames

  • horizoncity-org.in.shield.security

MX Priorities

  • horizoncity-org.in.shield.security: 10

A / AAAA Records

  • 159.65.40.31 ↩ 1455583.cloudwaysapps.com

Mail Server IPs

  • 18.224.193.68 ↩ ec2-18-224-193-68.us-east-2.compute.amazonaws.com
  • 18.189.151.200 ↩ ec2-18-189-151-200.us-east-2.compute.amazonaws.com

SOA Record

Raw SOA ns39.domaincontrol.com dns.jomax.net 2025090500 28800 7200 604800 600
Primary NS (mname)
ns39.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025090500
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns40.domaincontrol.com
ns39.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.em.secureserver.net include:spf.us.emailservice.io include:spf.protection.outlook.com include:spf.shield.security -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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

4 records
  • duo_sso_verification=t2o61nQmYXmtv6DPTmpcXUUbOshslnNKzr1wC4C0qQoEde2mmWgfZd4RjaiQRrM8
  • SPFv=spf1 include:spf.em.secureserver.net include:spf.us.emailservice.io include:spf.protection.outlook.com include:spf.shield.security -all
  • f79fb451699e3a6a5ec092a537e68f43
  • MS=ms17991427
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