coolbrosco.com

Valid Email Server
Domain Lookup › coolbrosco.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
coolbrosco.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-21 01:08:04 UTC · ↺ Refresh

MX Hostnames

  • mx2-us1.ppe-hosted.com
  • mx1-us1.ppe-hosted.com

MX Priorities

  • mx2-us1.ppe-hosted.com: 20
  • mx1-us1.ppe-hosted.com: 10

A / AAAA Records

  • 172.67.190.226 (no PTR)
  • 104.21.92.94 (no PTR)
  • 2606:4700:3035::6815:5c5e (no PTR)
  • 2606:4700:3033::ac43:bee2 (no PTR)

Mail Server IPs

  • 67.231.154.163 ↩ mx2-us1.ppe-hosted.com
  • 148.163.129.51 ↩ mx2-us1.ppe-hosted.com
  • 67.231.154.162 ↩ mx1-us1.ppe-hosted.com
  • 148.163.129.50 ↩ mx1-us1.ppe-hosted.com

SOA Record

Raw SOA chris.ns.cloudflare.com dns.cloudflare.com 2398652599 10000 2400 604800 1800
Primary NS (mname)
chris.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398652599
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

chris.ns.cloudflare.com
deb.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 a:dispatch-us.ppe-hosted.com include:secureserver.net -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

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

2 records
  • SPFv=spf1 a:dispatch-us.ppe-hosted.com include:secureserver.net -all
  • NETORGFT5613663.onmicrosoft.com
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