DNS Lookup and WHOIS for AI Agents: No API Key Needed with IteraTools

Add DNS Lookup and WHOIS to Your AI Agent in Minutes Published on dev.to — IteraTools series, article #5 If you're building AI agents that work with the web, sooner or later your agent will need to answer questions like: "Who owns this domain?" "Is this company's email properly configured?" "When does this competitor's domain expire?" "What IPs does this service resolve to?" These seem like simple questions — but getting the data programmatically usually means wrestling with raw WHOIS output, installing CLI tools, or juggling multiple libraries. Not ideal when you want your agent to just... work. This post covers how to add DNS lookup and WHOIS queries to any AI agent using simple REST API calls, with examples in curl and Python. Why DNS and WHOIS Matter for AI Agents Network reconnaissance tools aren't just for security researchers. They're essential for any agent that deals with businesses, websites, or online services: Sales agents checking if a prospect's domain is about to expire