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From one domain
to the Whole Campaign

Search a domain or IP address and follow its DNS history to the infrastructure behind phishing, brand abuse and malicious campaigns.

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Put DNS history to work

Every investigation touches DNS at some point. Deteqtive gives you the history: which IP addresses a domain has used, which domains have pointed to an address or range, and when each connection was first and last seen.

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Detecting and responding to malicious infrastructure requires insight that conventional signals simply do not capture. Spamhaus Deteqtive provides that insight, along with the controls to query at scale. It has become an irreplaceable part of our platform, powering our signals and Agents for all of our customers.

Cybersecurity Team Lead, Haveibeensquatted.com

Investigate with trusted intelligence

Weighted toward threats

The data is weighted toward malicious and abusive infrastructure, so the signal you're hunting for isn't buried in noise.

One API, every way in

The interface, API, MCP server, Real Time Streaming and Daily Downloads all draw on the same Passive DNS API, so the answer is the same however you ask.

From Spamhaus

Built by Spamhaus, whose independent threat intelligence has helped protect networks and email worldwide since 1998.

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