Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
concretesystemsinc.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 10:35:08 UTC · ↺ Refresh
MX Hostnames
- concretesystemsinc-com.p20.mxthunder.net
- concretesystemsinc-com.p40.mxthunder.net
- concretesystemsinc-com.p10.mxthunder.com
- concretesystemsinc-com.p30.mxthunder.net
MX Priorities
- concretesystemsinc-com.p10.mxthunder.com: 10
- concretesystemsinc-com.p40.mxthunder.net: 40
- concretesystemsinc-com.p30.mxthunder.net: 30
- concretesystemsinc-com.p20.mxthunder.net: 20
A / AAAA Records
- 208.109.246.32 ↩ 32.246.109.208.host.secureserver.net
Mail Server IPs
- 216.172.106.53 ↩ bolt104a.mxthunder.net
- 209.41.68.167 ↩ bolt104b.mxthunder.net
SOA Record
Raw SOA
ns1.mannyaa.com manny\.marinho.gmail.com 2026032105 3600 1800 1209600 86400
Primary NS (mname)
ns1.mannyaa.com
Admin Email (rname)
manny\@marinho.gmail.com
Serial
2026032105
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns2.mannyaa.com
ns1.mannyaa.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:192.96.215.42 ip4:67.225.148.240 +a +mx -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
1 record- SPFv=spf1 ip4:192.96.215.42 ip4:67.225.148.240 +a +mx -all
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