MCP tool
domain_history
Past nameservers, A/AAAA, MX, certificate issuer, registrar (and an IP's ASN/PTR) with first and last seen — from DechoNet's own observations, not passive DNS
The domain_history tool is provided by Dechonet MCP. Install that server in your AI client and the assistant can call it directly.
Servers exposing domain_history
From the publisher:Past nameservers, A/AAAA, MX, certificate issuer, registrar (and an IP's ASN/PTR) with first and last seen — from DechoNet's own observations, not passive DNS
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Related tools
The same action under a namespaced name on other servers.
Tool lists are read from the live servers (or, for packaged servers, from their documentation) each morning, so this reflects what they exposed at the last refresh. Search all tools.