Domain Reputation Check
Check a domain against public blacklists and analyze its DNS setup.
Combines DNSBL lookups for the domain with its MX, SPF, DKIM and DMARC configuration to give a defensive reputation overview.
Queries public DNS-based blacklists. Intended for legitimate diagnostics.
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Frequently asked questions
Does a blacklist hit mean the domain is bad?
Not necessarily — listings can be outdated or false positives, but they should be investigated.