GMX itself is not a top-level domain (TLD). Instead, GMX is a popular free web-based email service provider, similar to Gmail and Yahoo Mail. The letters GMX stands for Global Mail eXchange. It was launched in 1997 and is a subsidiary of United Internet AG, a German internet services company. However, “gmx” can potentially constitute a second-level domain within a top-level domain, for example, www.gmx.com, in which “.com” is the TLD, and “gmx” is the second-level domain.
Top-Level Domains (TLDs) are the last segment of a domain name – the letters that come after the final dot, such as .com, .org and .net. TLDs are part of the text-based interface assigned to numerical IP addresses that helps to identify the virtual location of websites or other resources on the internet. TLDs are managed and registered by the Internet Corporation for Assigned Names and Numbers (ICANN), which creates and implements domain policies.
There are several types of TLDs including:
1. Generic Top-Level Domains (gTLDs): These are the most common and familiar TLDs. Examples include .com for commercial, .org for organization, .net for network, .info for information, and .edu for education. Some newer gTLDs include .app, .blog, and .web.
1. Country-Code Top-Level Domains (ccTLDs): These are two-letter TLDs specifically designated for a particular country or autonomous territory. Examples include .us for the United States, .uk for the United Kingdom, .cn for China, .de for Germany, and so on.
1. Sponsored Top-Level Domains (sTLDs): These are overseen by private organizations. Examples include .gov for U.S. governmental entities and .edu for educational institutions.
1. Infrastructure Top-Level Domain: There is only one of these (.arpa), and it is used exclusively for technical infrastructure purposes.
At present, there aren’t any TLDs that exclusively use “gmx.” However, it’s possible to register domain names that incorporate “gmx” as a second-level domain (for example, www.example.gmx).
For resources used:
1. Info on GMX itself from its official site and Wikipedia: https://www.gmx.com/company/about/
2. Info on TLDs from ICANN (Internet Corporation for Assigned Names and Numbers), the DOT.Egov guide, and InterNIC—a service of ICANN tasked with maintaining the databases of registered domains: https://icannwiki.org/TLD ; https://www.dot.egov.com ; https://www.internic.net/
(Note: The availability of TLDs and second-level domains does vary and can change based on ICANN’s policies and the availability of specific domain names.)
