Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
concreteblocksupply.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 19:51:13 UTC · ↺ Refresh
MX Hostnames
- mx1.cirrussafe.com
- mx2.cirrussafe.com
MX Priorities
- mx2.cirrussafe.com: 20
- mx1.cirrussafe.com: 10
A / AAAA Records
- 162.144.4.36 ↩ 162-144-4-36.unifiedlayer.com
Mail Server IPs
- 54.241.79.104 ↩ ec2-54-241-79-104.us-west-1.compute.amazonaws.com
- 184.169.128.24 ↩ ec2-184-169-128-24.us-west-1.compute.amazonaws.com
SOA Record
Raw SOA
ns6289.hostgator.com root.gator3145.hostgator.com 2026031802 86400 7200 3600000 86400
Primary NS (mname)
ns6289.hostgator.com
Admin Email (rname)
root@gator3145.hostgator.com
Serial
2026031802
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
ns6289.hostgator.com
ns6290.hostgator.com
SPF Record
✓ Strict (-all)
v=spf1 +ip4:50.87.144.181 +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]; ruf=mailto:[email protected]; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- google-site-verification=msE5jUxZnqwol09lsmsAVcJMkrFlgsuBG0ziVTcnI0s
- MS=ms31540571
- SPFv=spf1 +ip4:50.87.144.181 +include:spf.protection.outlook.com -all
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