FREE TOOL
Check domain and IP reputation across major blacklists. Analyze email sender reputation and authentication status.
Blacklist Status
Checks major spam blacklists like Spamhaus, Barracuda
Reputation Score
Calculates overall sender reputation rating
Authentication
Validates SPF, DKIM, and DMARC configuration
Sender reputation is a score that Internet Service Providers (ISPs) assign to organizations that send email. It's a crucial factor in determining whether your emails reach the inbox or get filtered as spam.
Blacklist status
Being listed on spam blacklists severely impacts deliverability.
Authentication
Proper SPF, DKIM, and DMARC configuration builds trust.
Engagement rates
Low opens and high complaints hurt reputation scores.
List quality
High bounce rates indicate poor list hygiene.
Start gradually
Build reputation with small volumes to engaged recipients.
Clean your list
Remove inactive subscribers and bounced addresses regularly.
Monitor continuously
Check blacklists and reputation scores proactively.
Send quality content
Provide value that recipients actually want to receive.
InboxKit monitors reputation 24/7, alerts you to issues, and helps maintain high deliverability