1. The domain name system (DNS) Skills : none IT concepts : domain, domain name, host, IP address, domain registrar This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 License.
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3. Domain names We refer to computers on the Internet (Internet hosts ), by names like: bpastudio.csudh.edu These are called domain names or, if you want to be really geeky, “fully qualified domain names.” The key point is that the name identifies a particular computer – no two hosts have the same domain name.
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7. A unique host bpastudio.csudh.edu This is the domain name of a unique host. It is a member of the csudh.edu domain, but it is the only one with the name bpastudio . It is like a family – all the brothers and sisters have the same last name, but it would be confusing if two of them also had the same first name.
15. Some hosts in the csudh.edu domain We are letting muphiepsilon.org use a computer on our campus. IP address Domain name 155.135.55.17 library.csudh.edu 155.135.55.13 home.muphiepsilon.org 155.135.55.11 music1.csudh.edu 155.135.55.8 toro3.csudh.edu 155.135.55.6 vaquero.csudh.edu 155.135.55.2 ns1.csudh.edu 155.135.1.180 email.csudh.edu 155.135.1.166 ctl.csudh.edu 155.135.1.163 sws.csudh.edu
16. Some hosts in the csudh.edu domain Every domain has a domain name server (DNS). Our DNS is ns1.csudh.edu. It does the IP address lookups for TCP. . IP address Domain name 155.135.55.17 library.csudh.edu 155.135.55.13 home.muphiepsilon.org 155.135.55.11 music1.csudh.edu 155.135.55.8 toro3.csudh.edu 155.135.55.6 vaquero.csudh.edu 155.135.55.2 ns1.csudh.edu 155.135.1.180 email.csudh.edu 155.135.1.166 ctl.csudh.edu 155.135.1.163 sws.csudh.edu