Blog Security Dangling DNS: The Most Overlooked Attack Surface in the AI Era Venkatesh Bachu is an Architect at CheckRed who’s passionate about building modern, secure, and scalable products. He enjoys exploring new technologies and innovative approaches, focusing on transforming complex requirements into clean, intuitive solutions. With a strong enthusiasm for AI, he continually looks for ways to apply it to create smarter, more effective outcomes. Introduction Today’s organizations are focused on securing large language models (LLMs) , mitigating prompt injection, and governing agentic browser behavior. But one of the most consequential artificial intelligence (AI) –era attack vectors is not directly related to AI models — it sits quietly inside your Domain Name System (DNS) . As AI agents increasingly rely on DNS and HTTP to navigate the web, they inherit decades-old security risks from these mature protocols.…