Single-letter second-level domains are domains in which the second-level domain of the domain name consists of only one letter, such as x.com. In 1993...

In the Domain Name System (DNS) hierarchy, a second-level domain (SLD or 2LD) is a domain that is directly below a top-level domain (TLD). For example...

X.com may refer to: A single-letter second-level domain on the internet, currently owned by X Corp. Twitter, a social media platform officially named...

list of Internet top-level domains (TLD) contains top-level domains, which are those domains in the DNS root zone of the Domain Name System of the Internet...

cross-shaped symbols: List of international common standards Single-letter second-level domain Saltire Dagger (typography) † ‡ Tally marks Check mark ✓ No...

Below these top-level domains in the DNS hierarchy are the second-level and third-level domain names that are typically open for reservation by end-users...

(pronounced "dot triple-ecks" or "dot ecks ecks ecks") is a sponsored top-level domain (sTLD) intended as a voluntary option for pornographic sites on the Internet...

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...

X.org is a single-letter second-level internet domain name. It may also refer to: X.Org Foundation, a community-based foundation which took over X stewardship...

registration restrictions on second-level .co domains; any individual or entity in the world can register a .co domain. .CO Internet S.A.S. from Bogotá...

the manager of the .uk domain name. Nominet directly manages registrations directly under .uk, and some of the second level domains .co.uk, .org.uk, .sch...

delicio.us domain, which had been parked since April 24, 2002, the day the .us ccTLD (country code top-level domain) was opened to second-level registrations...

top-level domain (ccTLD) for Germany. DENIC (the Network Information Centre responsible for .de domains) does not require specific second-level domains,...

county were eligible for domains with a <county letter>.se suffix. Non-profit organisation names are registered on county level in Sweden. Sports clubs...

Domain Administration (auDA) is the policy authority and industry self-regulatory body for the .au domain, which is the country-code top-level domain...

when two-letter country codes were standardized. Although there are no geographic restrictions on registration of most second-level .ws domains, .org.ws...

letter signed by the officer in charge of the base or expedition is required. As a general rule, registrants are only allocated a single .aq domain name...

Norway may register in the second-level domain priv.no and, as of June 17, 2014, directly under .no. Other second-level domains exist for organizations of...

mitigation, wide area network services, reverse proxies, Domain Name Service, ICANN-accredited domain registration, and other services. Cloudflare's headquarters...

unaware that the third letter is not the Latin character "a" but rather the Cyrillic character "а" and is thus an entirely different domain from the intended...

first-level identifier. The second-level codes are a single letter from the Latin alphabet. These represent specific areas covered by the first-level discipline...

Internet country code top-level domain (ccTLD) for Australia. It was created on 5 March 1986. Domain name policy is managed by .au Domain Administration (auDA)...

called the letter–digit–hyphen (LDH) subset. For example, the German München (English: Munich) is encoded as Mnchen-3ya. While the Domain Name System...

linguistics Se (letter) (Ս,ս) an Armenian letter Se (unit of measurement), a Japanese unit of area .se, Internet country code top-level domain for Sweden Se...

.eu is the country code top-level domain (ccTLD) for the European Union (EU). Launched on 7 December 2005, the domain is available for any person, company...

Einstein-Rosen bridge (ER) relativistic wormholes .er, country code top-level domain (ccTLD) for Eritrea Entity–relationship model, a conceptual representation...

Works are in the public domain if they are not covered by the intellectual property right known as copyright, or if the intellectual property rights to...

territory, while others are from the first and final letter or from the first and some other letter in the name. All of these names are based on the English...

a medication Surface area Sense of agency .sa, the country code top level domain (ccTLD) for Saudi Arabia Security association in the IPsec networking...

the Biden presidency, they reached lower levels near the end of his term and continued into Trump's second presidency. Shortly after he became president...