What Is Domain Name System? (DNS Definition)

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waitForThirdParty: false }, targeting: Mntl.fnUtilities.deepExtend({}, { pos: ‘atf’, priority: 1 }) }); initialSlots.push({ config: { id: ‘square-flex-1’, sizes: [[300, 250],[300, 600],[300, 1050],[160, 600]], type: ‘square’, rtb: true, timedRefresh: 0, waitForThirdParty: false }, targeting: Mntl.fnUtilities.deepExtend({}, { pos: ‘atf’, priority: 2 }) }); const testIds = Mntl.GPT.getTestIds(); pageTargeting.ab = testIds; pageTargeting.bts = testIds; Mntl.utilities.onLoad(function() { Mntl.utilities.loadExternalJS({ src: ‘//securepubads.g.doubleclick.net/tag/js/gpt.js’, async: false }); }); const options = { domain: ‘www.lifewire.com’, templateName: ‘structuredcontent’, isMobile: false, isTablet: false, isDesktop: true, dfpId: ‘3865’, publisherProvidedId: ‘1bed0972-1eb5-4f9e-b8b3-4f6c7d54a595’, singleRequest: false, useLmdFormat: true, useOxygen: true, restrictLeaderboardFlex1HeightAndOverflow: false, prebidConfigApi: false, useInfiniteRightRail: true, loadAdsAboveViewport: false, fiftyPercentAdRefresh: true, waitForNextFramePaint: false, revenueGroupAllowList: ”, lmdSiteCode: ‘hlt’, pageTargeting, baseSlotTargeting, adLazyOffset, geo: { isInEurope: false, isInUsa: true }, initialSlots, auctionFloors: {“billboard2”:{“id”:”25ede6a52dcd470b80ed8f67be1972cf”,”floor”:”125″},”other”:{“id”:”3bdb6c22b84745bb86ddc5fb1e48a4c4″,”floor”:”55″},”billboard6″:{“id”:”9a188128f7d84b2c81b92f3c810564d9″,”floor”:”105″},”billboard5″:{“id”:”2241e7fd0b364e629d8f352f5aec60bb”,”floor”:”105″},”billboard4″:{“id”:”5042b7c919494888a55ab86afa11c8d2″,”floor”:”120″},”billboard3″:{“id”:”bc52d7cee41548729dd55bbced7aeb19″,”floor”:”80″},”billboard9″:{“id”:”f17c07c0c09b45ba8a5d10d6d2b00d93″,”floor”:”70″},”billboard8″:{“id”:”607950abd1874e59b29d3f4a0b0dc520″,”floor”:”60″},”billboardfooter2″:{“id”:”b0fb686a01344e88ba23b89ca7c26e55″,”floor”:”155″},”billboard7″:{“id”:”017c06d9b7d449eaacd69ab054b51df6″,”floor”:”155″},”leaderboardac”:{“id”:”8f0842a3938e487e90e1b16cb15a3e78″,”floor”:”325″},”leaderboard-fixed”:{“id”:”c385801e87d64e07ae68fc116e49ece3″,”floor”:”135″},”billboardfooter”:{“id”:”c71010a613984731be2ca6372d55bc9e”,”floor”:”50″},”leaderboardfooter2″:{“id”:”6fd3ca87162146e097ac5d6c7ed2411f”,”floor”:”70″},”leaderboard-flex-1″:{“id”:”b08b2ab33618476999264628f45b7feb”,”floor”:”5″},”leaderboard-flex-2″:{“id”:”cb4dba25533d438bb2e89f1233c4aa72″,”floor”:”5″},”square-flex-2″:{“id”:”f45eede928904b5fae5aed35be52bc35″,”floor”:”5″},”square-flex-1″:{“id”:”a8bded7e42fa4c4588307310165468c4″,”floor”:”5″},”adhesive”:{“id”:”220ea01267d0427a9cf35d2bdc1cb11d”,”floor”:”25″},”square-fixed-4″:{“id”:”b49adf2049894e1a9dc370353e424840″,”floor”:”10″},”leaderboard-fixed-3″:{“id”:”5de3fa58c2574e89bcbb8bfb322e7606″,”floor”:”15″},”square-fixed-3″:{“id”:”0992efc5550e433595a4c16204427ab5″,”floor”:”5″},”leaderboard-fixed-4″:{“id”:”43fe6ceb9ce14d35b6911fdd15f99123″,”floor”:”25″},”square-fixed-2″:{“id”:”b13744de9e78454f8de202b3e55fcc1d”,”floor”:”5″},”leaderboard-fixed-1″:{“id”:”0b6be1261e164c7bad0e4fa1e241fee4″,”floor”:”5″},”square-fixed-1″:{“id”:”0932977d888e4554878d4146e5b96ed5″,”floor”:”5″},”leaderboard-fixed-2″:{“id”:”ed4c8300a6a248b9819d269f02e519cc”,”floor”:”30″},”square-fixed-8″:{“id”:”8187bb4b2afc47258dc8529c3c69e951″,”floor”:”5″},”mob-square-fixed-8″:{“id”:”2d6bfe03639b44008fb4b36ea0f7947f”,”floor”:”135″},”square-fixed-7″:{“id”:”97f97d29b92b46e79d4ff2e305b5c41a”,”floor”:”5″},”mob-square-fixed-9″:{“id”:”1860ed16742b47469e0ce5ff383d2e43″,”floor”:”135″},”square-fixed-6″:{“id”:”ce1766c14f3444b9a4e60685526fec7d”,”floor”:”5″},”leaderboardfooter-flex-2″:{“id”:”8af7c9a7431b4d899f64c255c7dcd685″,”floor”:”125″},”leaderboard-fixed-5″:{“id”:”208fa7ac08884ceb9ae04f27bb5b85f9″,”floor”:”105″},”square-fixed-5″:{“id”:”bfc6d8e6f30d4855a9a27ae85dd53f69″,”floor”:”5″},”leaderboardfooter-flex-1″:{“id”:”8dec215a5c374247a6e2d68688af966d”,”floor”:”5″},”leaderboard-fixed-6″:{“id”:”7ff679cd07bb4974965a856ed1a01454″,”floor”:”135″},”billboard”:{“id”:”1bb25db65713488abc9b1272af62f4d7″,”floor”:”135″},”leaderboard-fixed-0″:{“id”:”d89af830efeb489883cdd163249c8ea8″,”floor”:”290″},”leaderboard”:{“id”:”4469417e04a54e469577910905042c7f”,”floor”:”95″},”inline”:{“id”:”6b2085916edc4343b1f1fc44d54fcfab”,”floor”:”5″},”square-fixed”:{“id”:”cfc89008bcd6495ebf219f732db4c032″,”floor”:”5″},”leaderboardfooter”:{“id”:”6a98b017d3af4ed69695e8501a7ea8b6″,”floor”:”105″},”dynamic-inline”:{“id”:”f4329c3968f347bda9368d3938811afa”,”floor”:”110″},”square-fixed-9″:{“id”:”0743aba0af644b52a87ccf7f7165be96″,”floor”:”5″},”mob-adhesive-banner-fixed”:{“id”:”c82a08797df8419bb5e10369bcde062f”,”floor”:”140″},”billboard11″:{“id”:”4dc2f62c0f804bae92bb2b904a42b09c”,”floor”:”55″}}, utils: { generateSlotId: Tech.GPT.generateSlotId, buildGptUrl: Tech.GPT.buildGptUrl }, displayOnScroll: false, displayOnConsent: true, adsToCollapse: [‘leaderboard*’,’square*’] }; if (Mntl.AdMetrics) { Mntl.AdMetrics.init(“2625855”, “n072aa897c21c4c5aa9b4ed7515892c7901″, initialSlots.map(slot => slot.config.id), Date.now()); } else { Mntl.AdMetrics = { pushMetrics: () => {} }; } Mntl.GPT.setMantleDependencies(mantleDependencies); Mntl.GPT.init(options); }());window.dataLayer = window.dataLayer || []; // moved from gtm.ftl so we can initialize GTM only onLoad. From https://support.google.com/tagmanager/answer/6103696?hl=en Mntl.utilities.onLoad(function() { (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({‘gtm.start’:new Date().getTime(),event:’gtm.js’});var f=d.getElementsByTagName(s)[0],j=d.createElement(s),dl=l!=’dataLayer’?’&l=’+l:”;j.async=true;defer=true;j.src=’//www.googletagmanager.com/gtm.js?id=’+i+dl;j.type=”text/javascript”;f.parentNode.insertBefore(j,f)})(window,document,’script’,’dataLayer’,’GTM-5P3SZGS’); }); window.dataLayer.push({ event: ‘ab-proctor’, ‘abTests-proctor’: { “99-0” : “useOxygen | useOxygen | use the Oxygenated ad unit format and slot names | 1” , “99-1” : “vanillaJSLazyAdRecipeSC | active | vanillaLazyAd.js enabled | 1” , “99-2” : “userIdAuctionDelay | ldd | legacy Dotdash domains | 2” , “99-3” : “useFloorSearch | active | Use Floor Search | 1” , “99-4” : “fiftyPercentAdRefresh | active | Ads refresh when 50% in view | 1” , “99-5” : “continuousScrollMobSquareFlexOffset | active | Adds offset to mob-square-fixed-1 ad on CS articles | 1” , “99-6” : “recipescDesktopAdRefresh | active | active, right rail ads timed refresh active | 1” , “99-7” : “hotjarScript | active | active test, has Hotjar | 1” , “99-8” : “gamVideoUsePlcmt | active | Pass plcmt | 1” , “99-9” : “liveIntentConnectedIdTest | control | LiveIntent ConnectedID is enabled | 0” , “99-10” : “prebidConfigApi | active | Ad Config API is enabled | 1” , “99-11” : “cssJsInjection | control | Control (no change) | 0” , “99-12” : “useDynamicVideoSizes | active | active | 1” , “99-13” : “prebidVideoUsePlcmt | active | Pass plcmt | 1” , “99-14” : “useLiveIntentSignedInUser | active | active | 1” , “55” : “relatedArticlesAlgorithm | useRecommendationService | Enables usage of proximity API | 1” , “99-16” : “removeAdTiers | active | active | 1” , “99-17” : “useLiveRamp | active | active | 1” } }); window.dataLayer.push({ envData: { environment: { environment: “k8s-prod”, application: “tech”, dataCenter: “us-west-1” }, server: { version: “4.85.0”, title: “tech-launcher” }, client : { browserUA: navigator.userAgent, serverUA: “Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/52.0.2743.116 Safari/537.36 Edge/15.15063”, deviceType: “pc”, usStateCode: “CA” }, mantle: “4.0.749”, commerce: “” } }); (function(fnUtils, CMP) { const deferLoadTime = 5000; const readyForThirdPartyTrackingEvent = new CustomEvent(‘readyForThirdPartyTracking’, { bubbles: true }); const readyForThirdPartyTracking = fnUtils.once(function() { window.dataLayer.push({event: ‘readyForThirdPartyTracking’}); window.dispatchEvent(readyForThirdPartyTrackingEvent); }); const readyForDeferredScriptsEvent = new CustomEvent(‘readyForDeferredScripts’, { bubbles: true }); const readyForDeferredScripts = fnUtils.once(function() { window.dataLayer.push({event: ‘readyForDeferredScripts’}); window.dispatchEvent(readyForDeferredScriptsEvent); }); const hasTargetingConsentHandler = function() { const hasConsent = CMP.hasTargetingConsent(); if (hasConsent) { readyForThirdPartyTracking(); } // Trigger the readyForDeferredScripts if consent is given // or if the user has closed the banner(AlertBox) which exists for EU // or if the user optin consent is not required, which applies for non gdpr locations if (hasConsent || CMP.isAlertBoxClosed() || !CMP.isOptInConsent()) { readyForDeferredScripts(); } return hasConsent; }; const purposeOneConsentHandler = async function() { const hasPurposeOneConsent = await CMP.hasPurposeOneConsent(); if (hasPurposeOneConsent) { readyForThirdPartyTracking(); } if (hasPurposeOneConsent || CMP.isAlertBoxClosed()) { readyForDeferredScripts(); } return hasPurposeOneConsent; }; const onRequiredDomEvent = fnUtils.once(function() { if (!CMP) { readyForThirdPartyTracking(); readyForDeferredScripts(); return; } const handler = CMP.supportsTCData() ? purposeOneConsentHandler : hasTargetingConsentHandler; if (!CMP.isLoading()) { handler(); } CMP.onConsentChange(handler); }); [ [‘adRendered’, onRequiredDomEvent], [‘beforeunload’, onRequiredDomEvent], [‘load’, function() { setTimeout(onRequiredDomEvent, deferLoadTime); }] ].forEach(function(event) { window.addEventListener(event[0], event[1], { once: true }); }); })(Mntl.fnUtilities || {}, Mntl.CMP);window.dataLayer = window.dataLayer || []; (function() { var isContinuousScroll = document.querySelector(‘.mntl-continuous-scroll’); var pageViewDataAsJSON = {“country”:”US”,”description”:”A Domain Name System, or DNS, is a system of databases that convert hostnames (like lifewire.com) to IP addresses (151.101.1.121).”,”title”:”What Is DNS (Domain Name System)?” || document.title || ”,”authorId”:”21913″,”contentGroup”:”Other”,”revenueGroup”:””,”documentId”:2625855,”templateName”:”STRUCTUREDCONTENT”,”viewType”:””,”templateId”:”110″,”muid”:”1bed0972-1eb5-4f9e-b8b3-4f6c7d54a595″,”lastEditingAuthorId”:”21913″,”lastEditingUserId”:”148123015675978″,”authorNames”:”Tim Fisher”,”primaryTaxonomyIds”:”4074445|4781467|4781492″,”fullUrl”:”https://www.lifewire.com/what-is-dns-domain-name-system-2625855″ + location.hash,”experienceType”:”single page”,”entryType”:”direct”,”excludeFromComscore”:false,”internalSessionId”:”n072aa897c21c4c5aa9b4ed7515892c7901″,”internalRequestId”:”n072aa897c21c4c5aa9b4ed7515892c7901″,”hid”:””,”experienceTypeName”:””,”recircDocIdsFooter”:”S-3971336|S-817514|S-2625883|S-2625854|S-2625906|S-5209277|S-817984|S-4039966|S-2626062|S-2483161|S-5205633|S-2617995|S-2626012|S-3466279|S-5215603|S-2626035″,”euTrafficFlag”:false,”isGoogleBot”:false,”mantleVersion”:”4.0.749″,”commerceVersion”:””,”primaryTaxonomyNames”:”Lifewire|Internet, Networking, & Security|Home Networking”}; var scrolledPageData = {}; var scrolledDocOrdinal; var scrolledPage; pageViewDataAsJSON.breakpointName = Tech.utilities.getW(); pageViewDataAsJSON.bounceExchangeId = 2548; pageViewDataAsJSON.descriptiveTaxonomy = ‘32793,22373,22375’; if (isContinuousScroll) { pageViewDataAsJSON.experienceTypeName = ‘continuous’; if (window.dataLayer && window.dataLayer.length) { //loop through events and collect previous scrolledDocOrdinal and scrolledPage values scrolledPageData = window.dataLayer.reduce( (acc, curr) => { if (curr.event == ‘unifiedPageview’) { acc.scrolledDocOrdinal = acc.scrolledDocOrdinal ? acc.scrolledDocOrdinal + 1 : 1; acc.scrolledPage = acc.scrolledPage ? acc.scrolledPage + ” | ” + (curr.documentId).toString() : (curr.documentId).toString(); } return acc; }, {}); } scrolledPage = scrolledPageData.scrolledPage ? scrolledPageData.scrolledPage + ‘ | ‘ + (pageViewDataAsJSON.documentId).toString() : (pageViewDataAsJSON.documentId).toString(); scrolledDocOrdinal = scrolledPageData.scrolledDocOrdinal ? scrolledPageData.scrolledDocOrdinal + 1 : 1; pageViewDataAsJSON.scrolledPage = scrolledPage; pageViewDataAsJSON.scrolledDocOrdinal = scrolledDocOrdinal; } Mntl.utilities.onLoad(function() { Mntl.PageView.init(pageViewDataAsJSON); }); })();]]> To change DNS servers in Windows, you can use the Command Prompt or go through Windows Settings. Using Settings is preferable if you aren’t comfortable using a command line.” } } , { “@type”: “Question”, “name”: “How do you find DNS servers?”, “acceptedAnswer”: { “@type”: “Answer”, “text”: “

There are many different DNS servers out there, so you can look through lists of DNS servers until you find one you like. Lifewire has a list with recommendations for the best free DNS servers out there.” } } , { “@type”: “Question”, “name”: “What is dynamic DNS?”, “acceptedAnswer”: { “@type”: “Answer”, “text”: “

Unlike DNS, which only works with static IP addresses, dynamic DNS (or DDNS) also supports dynamic IP addresses. As a result, you can use a DDNS service to host your website from your home or remotely manage your home network.” } } ] } ] } ]]]>

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