How a Dangling DNS Entry Can Lead to a Subdomain Takeover

This blog explains dangling DNS — DNS records that point to decommissioned or unclaimed third-party resources — and how attackers can exploit them to perform subdomain takeover, enabling phishing, malware distribution, and reputational damage; it outlines common affected services, the attack process, and how Censys ASM detects and contextualizes these risks for remediation.