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pea peace peaceable peaceably peaceful peacefully peacefulness peacekeepers peacekeeping peacemaker peacemakers peacemaking peacetime peach peaches peachier peachiest peachy peacock peacocks peafowl peahens peak peaked peakiness peaking peaks peaky peal pealed pealing peals peanut peanuts pear pearl pearls pearly pears peartrees peas peasant peasantry peasants peat peatland peatlands peaty pebble pebbled pebbles pebbly pecan peccary peck pecked pecker peckers pecking peckish pecks pectin pectoral pectorals peculiar peculiarities peculiarity peculiarly pecuniary pedagogic pedagogical pedagogically pedagogue pedagogy pedal pedalled pedalling pedals pedant pedantic pedantically pedantry pedants peddle peddled peddler peddlers peddles peddling pederasts pedestal pedestals pedestrian pedestrianisation pedestrianised pedestrians pedigree pedigrees pediment pedimented pediments pedlar pedlars pedology peek peeked peeking peeks peel peeled peeler peelers peeling peelings peels peep peeped peeper peepers peephole peeping peeps peer peerage peerages peered peering peerless peers peevish peevishly peevishness peg pegasus pegged pegging pegs pejorative pejoratively pejoratives pekan peking pele pelican pelicans pellet pellets pelmet pelmets pelt pelted pelting pelts pelvic pelvis pelvises pen penal penalisation penalise penalised penalises penalising penalties penalty penance penances

pence penchant pencil pencilled pencilling pencils pendant pendants pending pendulous pendulum pendulums penetrable penetrate penetrated penetrates penetrating penetratingly penetration penetrations penetrative penguin penguins penicillin penile peninsula peninsular peninsulas penitence penitent penitential penitentiary penitently penitents penknife penname pennames pennant pennants penned pennies penniless penning penny pennypinching penology pens pension pensionable pensioned pensioner pensioners pensioning pensions pensive pensively pensiveness pent pentagon pentagonal pentagons pentagram pentagrams pentameter pentameters pentasyllabic pentathlete pentathlon pentatonic pentecostal penthouse penultimate penultimately penumbra penurious penury peonies people peopled peoples pep peperoni pepper peppercorn peppercorns peppered peppering peppermint peppermints peppers peppery peps peptic peptide peptides per perambulate perambulated perambulating perambulations perambulator perannum percales perceivable perceive perceived perceives perceiving percent percentage percentages percentile percentiles percept perceptibility perceptible perceptibly perception perceptions perceptive perceptively perceptiveness percepts perceptual perceptually perch perchance perched percher perches perching perchlorate percipient percolate percolated percolates percolating percolation percolator percolators percuss percussed percusses percussing percussion percussionist percussionists percussive percussively percutaneous perdition peregrinations peregrine peregrines peremptorily peremptoriness peremptory perennial perennially perennials perestroika perfect perfected perfectibility perfecting perfection perfectionism

perfectionist perfectionists perfections perfectly perfects perfidious perfidiously perfidy perforate perforated perforation perforations perforce perform performable performance performances performed performer performers performing performs perfume perfumed perfumery perfumes perfuming perfunctorily perfunctory perfused perfusion pergola pergolas perhaps peri periastron perigee periglacial perihelion peril perilous perilously perils perimeter perimeters perinatal perineal perineum period periodic periodical periodically periodicals periodicity periods perioperative peripatetic peripheral peripherally peripherals peripheries periphery periphrasis periphrastic periscope periscopes perish perishable perishables perished perishes perishing peritoneum perjure perjured perjurer perjury perk perked perkier perkiest perkily perking perks perky perm permafrost permanence permanency permanent permanently permanganate permeability permeable permeate permeated permeates permeating permeation permed perming permissibility permissible permission permissions permissive permissiveness permit permits permitted permitting permittivity perms permutation permutations permute permuted permutes permuting pernicious perniciousness peroration peroxidase peroxide peroxides perpendicular perpendicularly perpendiculars perpetrate perpetrated perpetrates perpetrating perpetration perpetrator perpetrators perpetual perpetually perpetuate perpetuated perpetuates perpetuating perpetuation perpetuity perplex perplexed perplexedly perplexing perplexities perplexity perquisite perquisites perron perry persecute persecuted persecuting persecution persecutions persecutor persecutors perseverance persevere persevered perseveres persevering perseveringly persia

persian persist persisted persistence persistent persistently persisting persists person persona personable personae personage personages personal personalisation personalise personalised personalising personalities personality personally personification personifications personified personifies personify personifying personnel persons perspective perspectives perspex perspicacious perspicacity perspicuity perspicuous perspicuously perspiration perspire perspiring persuade persuaded persuaders persuades persuading persuasion persuasions persuasive persuasively persuasiveness pert pertain pertained pertaining pertains perth pertinacious pertinaciously pertinacity pertinence pertinent pertinently pertly pertness perturb perturbation perturbations perturbed perturbing peru perusal peruse perused peruses perusing peruvian pervade pervaded pervades pervading pervasive pervasiveness perverse perversely perverseness perversion perversions perversity pervert perverted perverting perverts peseta pesetas pesky pessimism pessimist pessimistic pessimistically pessimists pest pester pestered pestering pesticide pesticides pestilence pestilent pestilential pestle pests pet petal petals petard peter petered petering peters pethidine petit petite petition petitioned petitioner petitioners petitioning petitions petrel petrels petrification petrified petrifies petrify petrifying petrochemical petrochemicals petrographic petrographical petrol petroleum petrological petrology pets petted petticoat petticoats pettier pettiest pettifoggers pettifogging pettiness petting pettish pettishly pettishness petty petulance petulant petulantly petunia petunias pew pews pewter

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