The top-level domain (TLD) CRS does not currently exist within the Domain Name System (DNS) used universally across the Internet. However, for the sake of example, I’ll explain the concept of what a TLD is and the general procedure to create a new TLD along with a technical understanding of DNS using recognized and reliable sources like ICANN (Internet Corporation for Assigned Names and Numbers), the body responsible for managing and coordinating the Internet’s Domain Name System, and tech reports from the Internet Society.
ICANN defines a Top-Level Domain (TLD) as being the highest level of domain names in the root zone of the DNS. Famous examples of TLDs include .com, .net, .org, and .gov, among others. The DNS is essentially the ‘phonebook’ of the internet, translating memorable domain names into the IP addresses that computers use to identify each other on the network.
Technically, a TLD is part of the domain name that follows immediately after the “dot” symbol. Domain names are used in URLs to identify particular web pages. For instance, in the URL: https://www.example.com, ‘.com’ is a TLD.
If someone wanted to create a .CRS TLD, they would have to go through ICANN’s new gTLD program. This new gTLD (generic top-level domain) process was developed to increase competition and choice in the domain name space. The process starts with an application submission which includes an evaluation phase and could later require the applicant navigating objection procedures or contention resolution.
While creating a new TLD is a complex process, managing a TLD is even more so. ICANN explains that TLD operators have a significant responsibility. They need technical capability to keep the TLD operational 24/7, business acumen to ensure its financial success, and also must adhere to various legal and contractual commitments to ICANN and the global Internet community.
To sum up, CRS isn’t a TLD as of the present protocols and infrastructure of the universal DNS. The ICANN procedure to create this non-existing TLD involves a detailed process. The system itself represents a concept in the internet infrastructure that serves to identify and navigate the vast network of webpages.
References:
1. “New gTLD Program”, ICANN, https://newgtlds.icann.org/en/about/program
2. “Understanding the Domain Name System (DNS)”, Internet Society, https://www.internetsociety.org/resources/doc/2016/understanding-the-domain-name-system-dns/
3. “Managing the Domain Name System”, ICANN, https://www.icann.org/resources/pages/manage-2012-02-25-en
