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(Updated April 2015)

Up until now, the Internet has been organized into a handful of generic top-level domains (TLDs, or gTLDs) which were limited to three letters — .com, .org, .gov, .net, .biz, .edu, and so on. Until recently, the list of TLDs stood at 22 extensions. Learn how new domains have impacted the business on the Internet. (A. Siudzinski, Senior Information Specialist)


E - EBSCO articles available for NAR members only. Password can be found on the EBSCO Access Information page.

ICANN and Top-Level Domains

List of top-level domains, (IANA)

ICANN — The Internet Corporation for Assigned Names & Numbers

What Does ICANN Do?, (ICANN).

As tricky top level domains still remain to be tackled, ICANN treks on, (Internet Policy Review, Nov. 13, 2014). 

ICANN CEO sets off explosion of new Internet names (Q&A), (CNET, Jan. 28, 2014).

ICANN primer: Understanding the technical and business functions of the Internet Corporation for Assigned Names and Numbers (ICANN)(GovLab - New York University, Oct. 2013).

YouTube Video: What Does ICANN Do? (ICANN, 2013)

What Is a Top-Level Domain (TLD)?

GLTD, (ICANNWiki, Dec. 20, 2014). 

Beginners Guide to Domain Names, (International Corporation for Assigned Names and Numbers, Dec. 6, 2010).

Why the TLD Structure Is Changing & What It Means for the Internet

Will new top level domains matter in 2015?, (Inc., Jan. 5, 2015).

New ICANN internet suffixes to change online landscape, (Sell My Site, Dec. 30, 2014).

Domain disruption: Is .com passé? , (CNBC, June 6, 2014).

22 Domains Such As .com Aren't Enough?, (Investor’s Business Daily, Feb. 11, 2014). E

Web domain choices grow as digital real estate expands, (Daily News/REALTOR® Magazine, Feb. 6, 2014).

Cyberlaw Review 2014: ICANN’s New Top-Level Domains, (Bloomberg BNA E-Commerce & Tech Law Blog, Feb. 6, 2014).

How All Those New Domains Will Change the Web, (Popular Mechanics, Feb. 4, 2014).

Upcoming flood of new top-level domains could change how we surf the internet, (Extreme Tech, Jan. 31, 2014).

The Great Internet Land Grab, (The New Yorker, Aug. 28, 2013)

Real estate trade groups seek control of .Realtor, .MLS Internet domains, (Inman News, June 18, 2012).

The New .REALTOR Domain

Learn why NAR launched .REALTOR, and find out what it means for you:

www.about.REALTOR  — Information about the .REALTOR domain

www.claim.REALTOR — Claim your .REALTOR domain here

Top-Level Domain Topic, (National Association of REALTORS®, 2014).

Become the master of your .REALTOR domain, (REALTOR® Magazine, Dec. 2014).

GoDaddy Will Not Sell .REALTOR Domains, (Daily Real Estate News, Oct. 31, 2013).

Top-Level Domains and Your Business

.Com has company! What new top-level domains like .bike mean for you, (Digital Trends, Feb. 5, 2014).

Protect Your Brand from Cybersquatting, (Harvard Business Review, Feb. 10, 2014).

Brace yourself for flood of new domain names, (Computerworld, Jan. 28, 2014).

Seven Things to Think About Before You Register That New Domain, (Forbes, Jan. 30, 2014).

Ready or not, here come the new Internet top-level domain names, (ZDNet, Jan. 29, 2014).

New Domain Names Could Boost Your Online Presence, (Inc., Jan. 29, 2014).

Sell Bikes? There’s a Web Domain for That, (The Wall Street Journal, Jan. 22, 2014).

With so many new top level domains launching, what should your strategy be?, (The Next Web, Dec. 3, 2013).

The Neighborhood Just Got Bigger: Protecting Trademarks in the Expanded Internet, (Nonprofit World, Nov./Dec. 2013). E

Web Address Changes May Mean More Work for Brand Managers, (Idaho Business Review, Aug. 29, 2013). E

What’s in a Domain Name? (Customer Relationship Management, Apr. 2013). E

In new Web domain system, companies must decide how much words are worth, (The Washington Post, June 15, 2012).

eBooks & Other Resources

I’ve Got a Domain Name—Now What??? (Kindle, PDF eBook)

Building Websites All-In-One For Dummies (Kindle, OverDrive Read, EPUB eBook, PDF eBook)

101 Ways to Promote Your Website (Adobe PDF eBook)

The Rough Guide to the Internet (Adobe PDF eBook)

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