Vanity domain

Vanity domain

In the Domain Name System (DNS), a vanity domain is a domain name, often a subdomain, whose purpose is to express the individuality of the person on whose behalf it is registered. This contrasts with domain names which resolve to an organisation (e.g. a company) or a service that organisation offers. Vanity domains may be compared with vanity car registration plates, which similarly identify their owner as an individual and not just someone relying on another organisation's services.

A subdomain is sometimes termed a vanity domain, especially when it is a subdomain of an ISP's own domain aliased to an individual user account. Other definitions include:

  • the Free On-line Dictionary of Computing defines it as "A domain you register for the sole purpose of having your own domain so you can have an easily remembered URL and e-mail address" ,
  • while the Jargon File defines it as "An Internet domain, particularly in the .com or .org top-level domains, apparently created for no reason other than boosting the creator's ego."
  • Everything2 defines it as an "abuse of the DNS system to spell out sentences or messages" also referred to as a domain hack.
  • The Sun iPlanet Messaging Server uses msgVanityDomain to set up a domain name for e-mail use which is not fully hosted.

These uses apply primarily to regular domain names registered at the highest allowed level rather than subdomains (although, technically speaking, a second-level domain is actually a subdomain of its top-level domain).

Because vanity domains are operated for or on behalf of individuals, they typically will not offer the full complement of services an organisational domain name (or rather, the host that it points to) would be expected to honour; for example, the DNS record may contain only an MX record identifying a mail server accepting e-mail for that domain (which may itself be an e-mail forwarding server) and an A record identifying a shared web hosting service only offering [] (which may itself be a URL redirection service).

As well as being easily remembered, vanity domains (especially when registered at the highest level allowed by the registrar) offer the advantage of personal mobility; they continue to be associated with a person even when that person switches service provider.

References

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