Glenn writes: > I just wanted to know the *one* place the kernel goes to most > efficiently to determine the Internet domain name. The kernel has no interest in domain names. It deals only in IP numbers. Dealing with DNS is the job of a resolver running in user space. > But if I were writing all that stuff, the host's domain name relevant > to TCP/IP would be in one place... A machine can be in more than one domain. -- John Hasler