Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
coolbreezeac.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 16:55:46 UTC · ↺ Refresh
MX Hostnames
- coolbreezeac-com.inbound.emailservice.cc
- coolbreezeac-com.inbound.emailservice.io
- coolbreezeac-com.inbound.emailservice.co
MX Priorities
- coolbreezeac-com.inbound.emailservice.cc: 20
- coolbreezeac-com.inbound.emailservice.co: 30
- coolbreezeac-com.inbound.emailservice.io: 10
A / AAAA Records
- 104.21.26.63 (no PTR)
- 172.67.135.147 (no PTR)
- 2606:4700:3036::6815:1a3f (no PTR)
- 2606:4700:3036::ac43:8793 (no PTR)
Mail Server IPs
- 107.21.241.201 ↩ ec2-107-21-241-201.compute-1.amazonaws.com
- 52.44.33.109 ↩ ec2-52-44-33-109.compute-1.amazonaws.com
- 54.211.15.143 ↩ ec2-54-211-15-143.compute-1.amazonaws.com
SOA Record
Raw SOA
lee.ns.cloudflare.com dns.cloudflare.com 2399201056 10000 2400 604800 1800
Primary NS (mname)
lee.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399201056
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
vera.ns.cloudflare.com
lee.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.us.emailservice.io include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=100; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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
1 record- SPFv=spf1 include:spf.us.emailservice.io include:spf.protection.outlook.com -all
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