[ Thanks to Tom
Adelstein for this link. ]
“Linux system administrators should learn traditional DNS.
Front-ends and quick templates to setup domain records have a place
in managing sites. When confronted with DNS configurations already
in existence, nothing can substitute for knowing and using the
fundamentals.“The vast majority of users on the Internet have no clue about
DNS. They may have seen the term when they set up their ISP
connection, but they do not realize its connection to their lives.
Simply put, DNS servers allow you to use friendly names in your
browser, email or other Internet applications to perform tasks
which require IP addresses…”