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obduracy obdurate obdurately obedience obedient obediently obeisance obelisk obelisks obese obesity obey obeyed obeying obeys obfuscate obfuscated obfuscates obfuscation obfuscatory obituaries obituary object objected objectified objecting objection objectionable objectionableness objectionably objections objective objectively objectives objectivity objectless objector objectors objects oblate obligate obligated

obligation obligations obligatorily obligatory oblige obliged obliges obliging obligingly oblique obliqued obliquely obliqueness obliquity obliterate obliterated obliterates obliterating obliteration oblivion oblivious obliviousness oblong oblongs obloquy obnoxious obnoxiously obnoxiousness oboe oboes oboist obscene obscenely obscenities obscenity obscurantism obscurantist obscuration obscure obscured obscurely obscureness

obscurer obscures obscurest obscuring obscurities obscurity obsequious obsequiously obsequiousness observability observable observables observably observance observances observant observation observational observationally observations observatories observatory observe observed observer observers observes observing obsess obsessed obsesses obsessing obsession obsessional obsessions obsessive obsessively obsessiveness obsidian obsolescence obsolescent obsolete

obstacle obstacles obstetric obstetrician obstetricians obstetrics obstinacy obstinate obstinately obstreperous obstruct obstructed obstructing obstruction obstructionism obstructions obstructive obstructively obstructiveness obstructs obtain obtainable obtained obtaining obtains obtrude obtruded obtruding obtrusive obtrusiveness obtuse obtusely obtuseness obverse obviate obviated obviates obviating obvious obviously obviousness

What is DNS (Domain Name System)?

The domain name system (DNS) stores and associates many types of information with domain names, but most importantly, it translates domain names (computer hostnames) to IP addresses. It also lists mail exchange servers accepting e-mail for each domain. In providing a worldwide keyword-based redirection service, DNS is an essential component of contemporary Internet use.

Useful for several reasons, the DNS pre-eminently makes it possible to attach easy-to-remember domain names (such as "wikipedia.org") to hard-to-remember IP addresses (such as 66.30.200.105). Humans take advantage of this when they recite URLs and e-mail addresses. In a subsidiary function, the domain name system makes it possible for people to assign authoritative names without needing to communicate with a central registrar each time. From Wikipedia, the free encyclopedia