koonercpa.com

Valid Email Server
Domain Lookup › koonercpa.com

Domain Overview

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

Checked via [email protected] · 2026-03-19 11:48:04 UTC · ↺ Refresh

MX Hostnames

  • koonercpa-com.mail.protection.outlook.com

MX Priorities

  • koonercpa-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 172.67.182.158 (no PTR)
  • 104.21.18.150 (no PTR)
  • 2606:4700:3037::ac43:b69e
  • 2606:4700:3037::6815:1296

Mail Server IPs

  • 52.101.190.0 ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
  • 52.101.190.2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
  • 52.101.190.3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
  • 52.101.192.1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
  • 2a01:111:f403:c942::2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
  • 2a01:111:f403:c944:: ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
  • 2a01:111:f403:c942::1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
  • 2a01:111:f403:c944::1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com

SOA Record

Raw SOA etta.ns.cloudflare.com dns.cloudflare.com 2396899676 10000 2400 604800 1800
Primary NS (mname)
etta.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396899676
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

uriah.ns.cloudflare.com
etta.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ 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

3 records
  • brevo-code:9a1e21bb632f5603ea424b82d2dffaad
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • MS=ms45437763
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