Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rfconstruction.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 11:33:37 UTC · ↺ Refresh
MX Hostnames
- mx-cluster-ca02.hornetsecurity.com
- mx-cluster-ca01.hornetsecurity.com
- mx-cluster-ca03.hornetsecurity.com
- mx-cluster-ca-fallback.hornetsecurity.com
MX Priorities
- mx-cluster-ca03.hornetsecurity.com: 30
- mx-cluster-ca-fallback.hornetsecurity.com: 40
- mx-cluster-ca01.hornetsecurity.com: 10
- mx-cluster-ca02.hornetsecurity.com: 20
A / AAAA Records
- 107.180.40.68 ↩ 68.40.180.107.host.secureserver.net
Mail Server IPs
- 209.172.38.68 ↩ hsmx01-hz11.hornetsecurity.com
- 94.100.132.8 ↩ mx01.hornetsecurity.com
- 108.163.133.231 ↩ mx-cluster-ca01.hornetsecurity.com
SOA Record
Raw SOA
ns31.domaincontrol.com dns.jomax.net 2024111403 28800 7200 604800 600
Primary NS (mname)
ns31.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2024111403
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns32.domaincontrol.com
ns31.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:99.209.53.106 include:spf.protection.outlook.com include:spf.hornetsecurity.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo 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- v=verifydomain MS=3815263
- SPFv=spf1 ip4:99.209.53.106 include:spf.protection.outlook.com include:spf.hornetsecurity.com -all
Full email verification for rfconstruction.com
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