Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sdccontracting.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 17:58:41 UTC · ↺ Refresh
MX Hostnames
- cloud15.spamtitan.com
- cloud16.spamtitan.com
MX Priorities
- cloud16.spamtitan.com: 20
- cloud15.spamtitan.com: 10
A / AAAA Records
- 170.249.207.130 ↩ host.3pmanagedhosting.com
Mail Server IPs
- 18.188.207.172 ↩ cloud15.spamtitan.com
- 18.216.101.235 ↩ cloud15.spamtitan.com
- 18.190.56.214 ↩ cloud15.spamtitan.com
SOA Record
Raw SOA
ns1.3pmanagedhosting.com admin.3-prime.com 2026020501 3600 1800 1209600 86400
Primary NS (mname)
ns1.3pmanagedhosting.com
Admin Email (rname)
admin@3-prime.com
Serial
2026020501
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns2.3pmanagedhosting.com
ns1.3pmanagedhosting.com
SPF Record
✓ Strict (-all)
v=spf1 a mx include:spf.protection.outlook.com ip4:170.249.207.130 -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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 a mx include:spf.protection.outlook.com ip4:170.249.207.130 -all
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