Blacklist Checker alternatives
6 tools in the catalogue cover the same ground as Blacklist Checker and can replace it depending on the need. Each one is reachable, re-checked daily, and listed with its pricing.
- MxToolboxfreeEmail deliverability diagnostics tool that checks MX records, SPF, DKIM, DMARC configuration, and server health to prevent email delivery issues.
- Spamhaus CheckfreeChecks an address, domain or IP against the Spamhaus blocklists, the reference in the field. A listing says a lot about a sender's reputation.
- MultirblfreeQueries more than a hundred blocklists at once for one IP or domain, and shows which ones list it and why.
- breach.vipfreeFree database search engine providing access to 1000+ breach databases for research, email searching, and analysis of compromised credentials.
- BreachDirectoryfreeFree breach data API and search engine covering 11B+ leaked records from 2,000+ breaches, with plaintext password exposure checks and SHA-1 hash lookups.
- Burner Email Providers (T)freeCurated list of temporary email service domains with API references and detection library implementations across multiple languages.
Blacklist Checker
Email Address
Also written BlacklistChecker
Checks an IP, domain or address against the main blocklists, with an explanation of each listing.
RECOMMENDED USE
Understanding why an address or domain is blocklisted
Information
Video tutorials
Learn to use Blacklist Checker
Suggested workflow
Chain these tools in order for a complete investigation
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Similar tools
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Spamhaus Check
Email AddressChecks an address, domain or IP against the Spamhaus blocklists, the reference in the field. A listing says a lot about a sender's reputation.
MOSINT (T)
Email AddressAutomated email OSINT tool in Go. Consolidates multiple services to investigate a target email: breach checks, social media lookups, domain info. 5.8k GitHub stars.
DeHashed (R)
Email AddressModern breach search engine indexing historical breach data over a decade old, enabling searches by email, username, password, domain, phone, and IP address.
Hunter
Email AddressEmail finder and verifier that discovers business email addresses from company domains, names, and social profiles with up to 98% accuracy rate.
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