cookcountysao.org

Valid Email Server
Domain Lookup › cookcountysao.org

Domain Overview

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

Checked via [email protected] · 2026-03-25 21:36:45 UTC · ↺ Refresh

MX Hostnames

  • alt1.us.email.fireeyecloud.com
  • alt2.us.email.fireeyecloud.com
  • primary.us.email.fireeyecloud.com
  • alt3.us.email.fireeyecloud.com

MX Priorities

  • alt3.us.email.fireeyecloud.com: 3
  • primary.us.email.fireeyecloud.com: 0
  • alt1.us.email.fireeyecloud.com: 1
  • alt2.us.email.fireeyecloud.com: 2

A / AAAA Records

  • 192.64.119.47 (no PTR)

Mail Server IPs

  • 34.223.36.123 ↩ mx.us.email.fireeyecloud.com
  • 34.223.36.121 ↩ mx.us.email.fireeyecloud.com
  • 34.223.36.122 ↩ mx.us.email.fireeyecloud.com
  • 3.93.93.53 ↩ mx.us.email.fireeyecloud.com
  • 3.93.93.52 ↩ mx.us.email.fireeyecloud.com
  • 3.93.93.51 ↩ mx.us.email.fireeyecloud.com

SOA Record

Raw SOA dns1.registrar-servers.com hostmaster.registrar-servers.com 1744754255 43200 3600 604800 3601
Primary NS (mname)
dns1.registrar-servers.com
Admin Email (rname)
hostmaster@registrar-servers.com
Serial
1744754255
Refresh
43200s
Retry
3600s
Expire
604800s
Minimum TTL
3601s

Nameservers (NS)

dns1.registrar-servers.com
dns2.registrar-servers.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ 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: 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
  • adobe-idp-site-verification=298e598f688b3dd9b5d061c6fefb818c0b18c0fbac412ccd54f62e66deb2b2cf
  • _g9z9c4p4r8ealxfx8ho5ckmg7h37vt2
  • SPFv=spf1 include:spf.protection.outlook.com -all
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