Exercise #6 (1 point) Domain Names and Extensions A. http://hoopermuseum.earthsc

Question

Exercise #6 (1 point)

Domain Names and Extensions

A. http://hoopermuseum.earthsci.carleton.ca/lobby.html

1. What is the domain name?

2. Does it tell you anything?

3. What is the extension?

4. What does the extension tell you about the site?

B. http://www.martinlutherking.org/

1. What is the domain name?

2. Does it tell you anything?

3. What is the extension?

4. What does the extension tell you about the site?

Exercise 7 (4 points)

Putting it all together

A. http://hoopermuseum.earthsci.carleton.ca/lobby.html

Would you use this site if you were writing a factual report? Why or why not?

B. http://www.martinlutherking.org/

Would you use this site to obtain medical information? Why or why not?

Explanation / Answer

a)1)the domaine name is .ca

.ca is the Internet country code top-level domain (ccTLD) for Canada. The domain name registry that operates it is the Canadian Internet Registration Authority (CIRA).

Registrants can register domains at the second level (e.g., example.ca). Third-level registrations in one of the geographic third-level domains defined by the registry (e.g. example.ab.ca) were discontinued on October 12, 2010, but existing third-level domain names continue to be supported.

The domain name was originally allocated by Jon Postel, operator of Internet Assigned Numbers Authority (IANA), to John Demco of the University of British Columbia (UBC) in 1987. The first .ca domain was registered by the University of Prince Edward Island in January 1988

In 1997, at the Canadian annual Internet conference in Halifax, Nova Scotia, the Canadian Internet community, with a view to liberalize registration procedures and substantially improve turnaround times, decided to undertake reform of the .ca Registry.

The Canadian Internet Registration Authority (CIRA) is a non-profit Canadian corporation that is responsible for operating the .ca Internet country code Top Level Domain (ccTLD) today. It assumed operation of the .ca ccTLD on December 1, 2000, from UBC. On April 15, 2008, CIRA registered its one millionth .ca Internet domain name.]

Any .ca registration has to be ordered via a certified registrar.

UBC's registry operations once favoured fourth-level names (such as city.toronto.on.ca) for purely local entities or third-level names for entities operating solely within one province. Nationally incorporated companies could have a .cadomain, while provincially incorporated companies required the letters of their province, like .mb.ca. Only an entity with presence in two or more provinces was typically registered directly under .ca; this complex structure (and the long delays in getting .ca registration) caused many Canadian entities to favour the .com, .org and .net registrations, despite the then-higher cost.

some extentions

B)the domain name is .org

The domain name org is a generic top-level domain (gTLD) of theDomain Name System (DNS) used in the Internet. The name is truncated from organization. It was one of the original domains established in 1985 and operated by the Public Interest Registry since 2003. The domain extension was originally created for non-profits, but this designation no longer exists and today it is commonly used by schools, open-source projects, and communities as well as by for-profit entities. The number of registered .org domains has increased from fewer than one million in the 1990s, to ten million as of June, 2012.

Registrations in the org are processed via accredited registrars worldwide. Anyone can register an org second-level domain. Although org was recommended for non-commercial entities, there are no restrictions to registration. There are some instances of org being used by commercial sites such as craigslist.org. s
second-level domains on org were also commonly used by individuals, although name and info are now alternatives. According to the ICANN Dashboard Domain Name report, the composition of org is diverse, including cultural institutions; associations; sports/teams; religious, and civic organizations; open-source software projects; schools; environmental initiatives; social, and fraternal organizations; health organizations; legal services; as well as clubs, and community-volunteer groups. There are also cases where companies or organizations have created sites under org for crisis management.

7)a) yes going to write medical information here.becasue this .org is to create  organizations

The number of .ORG domains registered with the Public Interest Registry.
Although organizations anywhere in the world may register org domains, many countries, such as Australia (au), Japan (jp), Argentina (ar), Bolivia (bo), Uruguay (uy), Turkey(tr), Somalia (so), Sierra Leone (sl), Russia (ru), Bangladesh (bd), and the United Kingdom (uk), have established a second-level domain with a similar purpose under their own ccTLD. Such second-level domains are usually named org or or.citation needed.

There were more than 8 million registered .ORGs in 2009, 8.8 million in 2010, and 9.6 million in 2011. The Public Interest Registry registered the ten millionth .ORG domain in June, 2012. When the 9.5 millionth .org was registered in December 2011, .org, became the third largest gTLD.

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