From Part I:
“How important are Domain Name Services? Consider this, suppose
you want to set up your own web site, you go to a commercial
registrar and attempt to acquire a domain name. The purchasing
process won’t proceed unless you can enter the IP addresses or
Internet names of two existing, registered DNS servers for your
domain.“For most people who have someone else set up and host their web
site, that many not come into play. But for sophisticated sites
where you might want to run a large email server or directory
service, you need to control your own DNS…”
Complete
Story (Part I)
Complete
Story (Part II)