Introduction Structure Operating Value Legislation Conclusion Reference Domain Name System

The Domain Name System (DNS) is a core Internet service that can be Domain Name and IP address mutual mapping to each other in a distributed database. Research by Paul and Kevin(1988) support, "The initial DNS design assumed the necessity of striking a balance between a very lean service and a completely general distributed database." Source: Mockapetri,K.V&Dunla,K.J.Development of the Domain Name System(1988). Retrieved from Introduction

Source: DNS Best Practices, Net work Protections, and Attack Identification (n.d.) Retrieved from Structure Domain Name Space

 First layer--root domain  Second layer--top-level domain(TLD) – First part –- national top-level domain(NTLDS),such as UK domain, US domain, CN domain, etc. – Second part –- international top-level domain(ITDS).such as COM, NET, ORG, etc.  Third layer –- second-level domain(SLD)  Fourth layer –- sub-domain of the second- level domain  Fifth layer -- host or resource name Source: Domain Name System (n.d.) Retrieved from

Three components: 1. address resolution mechanism 1.recursive resolution. 2.iteration resolution. 2. reverse lookup 3. client lookup Source: Domain Name System (n.d.) Retrieved from operating

A huge sense of business value Two characteristics : – identification – Unique Network mark or global brand “ Creating a good domain name can help the companies having more valuable and market competitiveness.” Source: Domain Names and Trade Marks: what's in a name?(n.d.) Retrieved from Value

“To date, the UK courts have not to give any detailed consideration as to the precise legal status of domain names. The issue arose in Pitman Training v Nominet [1997] but remained ultimately unresolved as the parties agreed domain names were not property rights and the court made no further observations on the issue.” The principle is “first come, first register” to solve the problem in domain name. Source: Domain Name in the UK- legal status(n.d.) Retrieved from Legislation

Legal bug for Domain Name System is quite big limitation Domain Name System has unlimited potential in the commercial value Conclusion

Thank you

Domain Names and Trade Marks: what's in a name?(n.d.) Retrieved from Domain Name System (n.d.) Retrieved from Domain Name in the UK- legal status(n.d.) Retrieved from Mockapetri,K.V&Dunla,K.J.Development of the Domain Name System(1988). Retrieved from DNS Best Practices, Net work Protections, and Attack Identification (n.d.) Retrieved from bcp.html bcp.html Reference