
.aero is a sponsored top-level domain (sTLD) used in the Domain Name System of the Internet. It is the first sponsored top-level domain based on a single industrial theme. The aero domain is reserved for companies, organizations, associations, government agencies, and individuals in aerospace-related fields. It was created in 2002 and is operated by SITA. SITA created and operates the Dot Aero Council.

The top-level domain asia is the officially designated regional domain in the Internet for Asia and the Pacific. It is a sponsored generic top-level-domain (gTLD) operated by the DotAsia Organisation Ltd. The domain is open to companies, individuals and organisations that have a connection to the region. Asia domains can be seen and used by international and Asian businesses; regional conferences and symposiums; as well as Asian artists and celebrities.

The domain coop is a sponsored top-level domain (sTLD) in the Domain Name System of the Internet. It is intended for the use of cooperatives, their wholly owned subsidiaries, and other organizations that exist to promote or support cooperatives.

The domain name gov is a sponsored top-level domain (sTLD) in the Domain Name System of the Internet. The name is derived from the word government, indicating its restricted use by government entities. The gov domain is administered by the General Services Administration (GSA), an independent agency of the United States federal government.

The domain name jobs is a sponsored top-level domain (sTLD) in the Domain Name System of the Internet. As indicated by its name, the domain is restricted to employment-related sites.

.post is a sponsored top-level domain (sTLD) available exclusively for the postal sector. .post is the first gTLD to be 100% secured by DNSSEC. post aims to integrate the physical, financial and electronic dimensions of postal services to enable and facilitate e-post, e-finance, e-commerce and e-government services. The domain was approved by ICANN on April 8, 2005 as a sponsored TLD in the second group of new TLD applications evaluated in 2004.

The domain name .tel is a top-level domain (TLD) in the Domain Name System (DNS) of the Internet. It was approved by ICANN as a sponsored top-level domain, and is operated by Telnic. Telnic announced in January 2011 that over 300,000 domains had been registered since the start of general availability on 24 March 2009. A substantial drop of mostly IDN .tels occurred at the beginning of 2014 - the current total registered .tels as of 21 July 2016 is 98,516.

.xxx is a sponsored top-level domain (sTLD) intended as a voluntary option for pornographic sites on the Internet. The sponsoring organization is the International Foundation for Online Responsibility (IFFOR). The registry is operated by ICM Registry LLC. The ICANN Board voted to approve the sTLD on 18 March 2011. It went into operation on 15 April 2011.