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homecoming homecomings homed homeland homelands homeless homelessness homelier homeliness homely homemade homeowner homeowners homes homesick homesickness homespun homestead homesteads homeward homewardbound homewards homework homicidal homicide homicides homiest homilies homily homing hominid hominids homoeopathic homoeopathy homogenates homogeneity homogeneous homogeneously homogenisation homogenise homogenised homogenising homological homologies homologous homologue homologues homology homomorphism homomorphisms homonym homonyms homophobes homophobia homophobic homophones homophony homosexual homosexuality homosexually homosexuals homotopy homozygous homunculus homy hone honed hones honest honestly honesty honey honeybee honeycomb honeycombed honeycombing honeydew honeyed honeymoon honeymooners honeymoons honeysuckle honeysuckles honing honk honking honks honorarium honorary honorific honors honour honourable honourably honoured honouring honours honshu hood hooded hoodlum hoodlums hoods hoodwink hoodwinked hoodwinking hoof hoofs hook hookah hooked hooker hookers hooking

hooknosed hooks hooky hooligan hooliganism hooligans hoop hooped hoops hooray hoot hooted hooter hooters hooting hoots hoover hoovered hoovering hooves hop hope hoped hopeful hopefully hopefulness hopefuls hopeless hopelessly hopelessness hopes hoping hopped hopper hoppers hopping hops horde hordes horizon horizons horizontal horizontally horizontals hormonal hormonally hormone hormones horn hornbeam hornbills horned hornet hornets hornpipe hornpipes horns horny horoscope horoscopes horrendous horrendously horrible horribly horrid horridly horrific horrifically horrified horrifies horrify horrifying horrifyingly horror horrors horrorstricken horse horseback horsebox horseflesh horsefly horsehair horseless horseman horsemen horseplay horsepower horseradish horses horseshoe horseshoes horsewhip horsewhipped horsey horsing horticultural horticulture horticulturist horticulturists hosanna hosannas hose hosed hosepipe hoses hosier hosiery hosing hospice hospices hospitable hospitably hospital hospitalisation

hospitalised hospitality hospitals host hosta hostage hostages hosted hostel hostelries hostelry hostels hostess hostesses hostile hostilely hostilities hostility hosting hostler hosts hot hotair hotbed hotbeds hotblooded hotchpotch hotdog hotdogs hotel hotelier hoteliers hotels hotheaded hotheads hothouse hothouses hotline hotly hotness hotplate hotplates hotpot hotrod hotspot hotspots hottempered hotter hottest hotting hound hounded hounding hounds hour hourglass hourly hours house houseboat houseboats housebound housebreaker housebreakers housebreaking housebuilder housebuilders housebuilding housebuyers housed houseflies houseful household householder householders households househunting housekeeper housekeepers housekeeping housemaid housemaids houseroom houses housewife housewives housework housing housings houston hove hovel hovels hover hovercraft hovered hoverer hovering hovers how howdy however howitzer howitzers howl howled howler howlers howling howlings howls howsoever

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