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suasion suave suavely sub subaltern subalterns subarctic subatomic subbed subbing subclass subclasses subcommittee subcommittees subconscious subconsciously subconsciousness subcontinent subcontract subcontracted subcontracting subcontractor subcontractors subcultural subculture subcultures subcutaneous subcutaneously subdivide subdivided subdivides subdividing subdivision subdivisions subducted subduction subdue subdued subdues subduing subeditor subeditors subfamily subgroup subgroups subharmonic subharmonics subhuman subject subjected subjecting subjection subjective subjectively subjectivism subjectivist subjectivity subjects subjugate subjugated subjugating subjugation subjunctive sublayer sublimate sublimated sublimation sublime sublimed sublimely sublimes sublimest subliminal subliminally sublimity sublunary submarine submarines submerge submerged submergence submerges submerging submersible submersion submission submissions submissive submissively submissiveness submit submits submittable submitted submitter submitters submitting subnormal suboptimal subordinate subordinated subordinates subordinating subordination subplot subplots subpoena subpoenaed subprogram subprograms subregional subroutine subroutines subs subscribe subscribed subscriber subscribers subscribes subscribing subscript subscription subscriptions subscripts subsection subsections subsequent subsequently subservience subservient subset subsets subside subsided subsidence subsides subsidiaries subsidiarity subsidiary subsidies subsiding subsidise subsidised subsidises subsidising subsidy subsist subsisted subsistence subsisting subsists subsoil subsonic subspace subspaces subspecies substance substances substandard substantial substantially substantiate substantiated substantiates substantiating substantiation substantive substantively substantives substation substitutable substitute substituted substitutes substituting substitution substitutions substrata substrate substrates substratum substructure substructures subsume subsumed subsumes subsuming subsurface subsystem subsystems subtenants subtend subtended subtending subtends subterfuge subterranean subtext subtitle subtitled subtitles subtitling

subtle subtler subtlest subtleties subtlety subtly subtotal subtotals subtract subtracted subtracting subtraction subtractions subtractive subtractively subtracts subtropical subtropics subtype subtypes subunit subunits suburb suburban suburbanisation suburbanites suburbia suburbs subvention subventions subversion subversive subversively subversives subvert subverted subverting subverts subway subways subzero succeed succeeded succeeding succeeds success successes successful successfully succession successions successive successively successor successors succinct succinctly succinctness succour succulence succulent succumb succumbed succumbing succumbs such suchandsuch suchlike suck suckable sucked sucker suckers sucking suckle suckled suckles suckling sucklings sucks sucrose suction sud sudan sudden suddenly suddenness suds sue sued suede sues suet suffer sufferance suffered sufferer sufferers suffering sufferings suffers suffice sufficed suffices sufficiency sufficient sufficiently sufficing suffix suffixed suffixes suffocate suffocated suffocates suffocating suffocatingly suffocation suffrage suffragette suffragettes suffragist suffuse suffused suffuses suffusing suffusion sugar sugarcoated sugared sugaring sugarplums sugars sugary suggest suggested suggester suggesters suggestibility suggestible suggesting suggestion suggestions suggestive suggestively suggestiveness suggests sugillate suicidal suicidally suicide suicides suing suit suitabilities suitability suitable suitableness suitably suitcase suitcases suite suited suites suiting suitor suitors suits sulk sulked sulkier sulkiest sulkily sulkiness sulking sulks sulky sullen sullenly sullenness sullied sully sullying sulphate sulphates sulphide sulphides sulphonamides sulphur sulphuric sulphurous sultan sultana sultanas sultans sultry sum sumatra summa summability summable summaries summarily

summarise summarised summariser summarisers summarises summarising summary summation summations summed summer summers summertime summery summing summit summits summon summoned summoner summoning summonings summons summonsed summonses summonsing sumo sump sumps sumptuous sumptuously sumptuousness sums sun sunbath sunbathe sunbathed sunbathers sunbathing sunbeam sunbeams sunbed sunbeds sunblock sunburn sunburned sunburns sunburnt sunburst suncream sundaes sunday sundays sundial sundials sundown sundried sundries sundry sunflower sunflowers sung sunglasses sunk sunken sunking sunless sunlight sunlit sunlounger sunned sunnier sunniest sunning sunny sunrise sunrises sunroof suns sunscreen sunscreens sunset sunsets sunshade sunshine sunspot sunspots sunstroke suntan suntanned sup super superabundance superabundant superannuate superannuated superannuating superannuation superb superbly supercharged supercharger supercilious superciliously superciliousness supercomputer supercomputers supercomputing superconducting superconductivity superconductor superconductors supercooled supercooling supercritical superdense superfamily superficial superficiality superficially superfix superfluities superfluity superfluous superfluously superglue superheat superheated superhero superhuman superimpose superimposed superimposes superimposing superimposition superintend superintendence superintendent superintendents superior superiority superiors superlative superlatively superlatives superman supermarket supermarkets supermen supermodel supermodels supernatant supernatural supernaturally supernova supernovae supernumerary superordinate superpose superposed superposition superpositions superpower superpowers supersaturated supersaturation superscript superscripts supersede superseded supersedes superseding supersonic supersonically superstar superstars superstate superstates superstition superstitions superstitious superstitiously superstore superstores superstructure superstructures supertanker supertankers supervene supervise supervised supervises supervising supervision supervisions supervisor supervisors supervisory supine supped supper suppers

supping supplant supplanted supplanting supple supplement supplemental supplementary supplementation supplemented supplementing supplements suppleness suppliant suppliants supplicant supplicants supplicate supplicating supplication supplications supplied supplier suppliers supplies supply supplying support supportability supportable supported supporter supporters supporting supportive supports suppose supposed supposedly supposes supposing supposition suppositions suppositories suppress suppressed suppresses suppressible suppressing suppression suppressive suppressor suppressors suppurating supranational supranationalism supremacist supremacy supremal supreme supremely supremo sups surcharge surcharged surcharges surd sure surefooted surely sureness surer surest sureties surety surf surface surfaced surfacer surfaces surfacing surfactant surfactants surfboard surfed surfeit surfer surfers surfing surfings surfs surge surged surgeon surgeons surgeries surgery surges surgical surgically surging surliest surlily surliness surly surmise surmised surmises surmising surmount surmountable surmounted surmounting surname surnames surpass surpassed surpasses surpassing surplice surplus surpluses surprise surprised surprises surprising surprisingly surreal surrealism surrealist surrealistic surrealists surreality surrender surrendered surrendering surrenders surreptitious surreptitiously surrey surreys surrogacy surrogate surrogates surround surrounded surrounding surroundings surrounds surtax surtitles surveillance survey surveyed surveying surveyor surveyors surveys survivability survivable survival survivals survive survived survives surviving survivor survivors susceptibilities susceptibility susceptible sushi sushis suspect suspected suspecting suspects suspend suspended suspender suspenders suspending suspends suspense suspension suspensions suspicion suspicions suspicious suspiciously sustain sustainability sustainable sustainably sustained sustaining sustains sustenance suture sutures suzerainty

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