Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
insightbb.com
Yes
✓ Yes
Unknown
No
Yes
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-20 23:19:45 UTC · ↺ Refresh
MX Hostnames
- mx.insight.synacor.com
MX Priorities
- mx.insight.synacor.com: 10
A / AAAA Records
- 74.128.18.45 ↩ syn-074-128-018-045.inf.spectrum.com
- 74.128.18.37 ↩ syn-074-128-018-037.inf.spectrum.com
Mail Server IPs
- 208.47.185.21 ↩ mx.insight.synacor.com
SOA Record
Raw SOA
dns1.rr.com hostmaster.charter.com 2025060000 43200 3600 2419200 3600
Primary NS (mname)
dns1.rr.com
Admin Email (rname)
hostmaster@charter.com
Serial
2025060000
Refresh
43200s
Retry
3600s
Expire
2419200s
Minimum TTL
3600s
Nameservers (NS)
dns2.rr.com
dns3.rr.com
dns1.rr.com
dns5.rr.com
dns6.rr.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:74.128.0.0/24 ip4:208.47.185.22 ip4:208.47.185.23 ip4:208.47.185.24 ip4:208.47.185.25 ~all
📊 DNS lookups: 0/10
~ Soft fail (~all) — moderate 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
1 record- SPFv=spf1 ip4:74.128.0.0/24 ip4:208.47.185.22 ip4:208.47.185.23 ip4:208.47.185.24 ip4:208.47.185.25 ~all
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