US-CERT encourages users and administrators to review ISC Knowledge Base Article.
Perhaps it is out of end user control!
What is ISC(Internet Systems Consortium)?
F Root System (ISC) – Enables users around the world to find top-level domains such as .com, .uk, .edu; Reliable anycast network with over 125 nodes; Hosted in local IXes, and on the Cloudflare network, managed by ISC. A vulnerability found on ISC (DHCP) and (BIND). Does it a precaution?