Sources and Additional Information
If you are interested in applying for a city TLD, you may want to learn more about ICANN, do some market research, or understand better the ICANN rules for geographic TLDs. These pages provide that information and links to more.
- Frequently Asked Questions. Answers to questions that we get consistently.
- Introduction to ICANN. A potted explanation of ICANN, taken largely from the ICANN site.
- ICANN Draft Applicant Guidebook (DAG). An explanation of, and links to, the latest Draft Applicant Guidebook, ICANN’s application form.
- History of New TLDs. A short history of the creation of TLDs, to put things into perspective.
- ICANN Rules for Geographic Names. Excerpts from the Draft Applicant Guidebook relevant to geographical TLDs, for instance city TLDs.
- Market Research Resources. Links to resources for looking up population, GDP, and Internet penetration for different U.S. cities.
- Sample Letters of Support and Non-Objection. Each city TLD application must be accompanied by a letter of support, or one of non-objection. These samples conform to the rules in the latest Draft Applicant Guidebook.
- Videos. Videos about city TLDs.

