{"id":10664,"date":"2026-07-29T15:34:42","date_gmt":"2026-07-29T13:34:42","guid":{"rendered":"https:\/\/www.websupport.hu\/tamogatas\/?post_type=ht_kb&#038;p=10664"},"modified":"2026-07-29T15:36:32","modified_gmt":"2026-07-29T13:36:32","slug":"mennyi-idot-vesz-igenybe-a-dns-modositas","status":"publish","type":"ht_kb","link":"https:\/\/www.websupport.hu\/tamogatas\/kb\/mennyi-idot-vesz-igenybe-a-dns-modositas\/","title":{"rendered":"Mennyi id\u0151t vesz ig\u00e9nybe a DNS m\u00f3dos\u00edt\u00e1s?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">A DNS rekordok m\u00f3dos\u00edt\u00e1sa ut\u00e1n ak\u00e1r 24 \u00f3r\u00e1t is ig\u00e9nybe vehet, mire minden szerver megkapja az \u00faj inform\u00e1ci\u00f3kat. A maxim\u00e1lis id\u0151t a TTL param\u00e9ter hat\u00e1rozza meg.<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\"><strong>Mi az a TTL?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A TTL a &#8222;Time To Live&#8221; r\u00f6vid\u00edt\u00e9se. Az \u00e9rt\u00e9k m\u00e1sodpercben van megadva \u00e9s meghat\u00e1rozza, hogy mennyi ideig t\u00e1rol\u00f3dik a DNS be\u00e1ll\u00edt\u00e1s az internetszolg\u00e1ltat\u00f3 DNS szervereinek gyors\u00edt\u00f3t\u00e1r\u00e1ban, miel\u0151tt \u00fajabb lek\u00e9rdez\u00e9st v\u00e9gezn\u00e9nek. Az \u00e9rt\u00e9k \u00e1ltal\u00e1ban 300 m\u00e1sodperc (5 perc) \u00e9s 86 400 m\u00e1sodperc (24 \u00f3ra) k\u00f6z\u00f6tt mozog.<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\"><strong>Mi\u00e9rt vehet ig\u00e9nybe ak\u00e1r 24 \u00f3r\u00e1t is a friss\u00fcl\u00e9s?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A sz\u00e1m\u00edt\u00f3g\u00e9pek k\u00fcl\u00f6nb\u00f6z\u0151 m\u00f3dokon \u00e9rik el a tartalmat t\u00e1rol\u00f3 szervert, k\u00fcl\u00f6nb\u00f6z\u0151 DNS szerverekt\u0151l k\u00e9rdezik le a c\u00e9lkiszolg\u00e1l\u00f3 IP c\u00edm\u00e9t. Az adatok nem k\u00f6zpontilag friss\u00fclnek azonnal, hanem a lok\u00e1lis gyors\u00edt\u00f3t\u00e1raz\u00e1s (cache) \u00e9s a TTL \u00e9rt\u00e9kek miatt minden szolg\u00e1ltat\u00f3 saj\u00e1t \u00fctemben t\u00f6lti le az \u00faj IP c\u00edmet. Ezt a t\u00e1rol\u00e1si id\u0151t a TTL param\u00e9ter hat\u00e1rozza meg. Az aktu\u00e1lis rekord a TTL lej\u00e1rt\u00e1ig t\u00e1rol\u00f3dik, majd a szerver friss\u00edti az \u00e9rt\u00e9keket.<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\"><strong>Honnan tudhatom, hogy a v\u00e1ltoz\u00e1s \u00e9letbe l\u00e9pett-e m\u00e1r?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ha ismered a c\u00e9lkiszolg\u00e1l\u00f3 IP c\u00edm\u00e9t, futtathatsz egy ping parancsot a parancssorban (pl. \u201e<strong>ping<\/strong> 37.9.169.143\u201d). Ha nem ismered az IP c\u00edmet, haszn\u00e1lhatod a tracert parancsot (pl. \u201e<strong>tracert<\/strong> websupport.hu\u201d). Ez a parancs megjelen\u00edti azokat a csom\u00f3pontokat, amelyeken kereszt\u00fcl a sz\u00e1m\u00edt\u00f3g\u00e9ped el\u00e9ri a c\u00e9lkiszolg\u00e1l\u00f3t.<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\"><strong>A v\u00e1ltoz\u00e1s 24 \u00f3ra eltelt\u00e9vel sem l\u00e9pett \u00e9letbe &#8211; mi lehet az oka?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Speci\u00e1lis esetekben a friss\u00fcl\u00e9s ideje meghaladhatja a 24 \u00f3r\u00e1t. P\u00e9ld\u00e1ul akkor, ha az \u201e\u00fatvonal ment\u00e9n\u201d tal\u00e1lhat\u00f3 DNS szerverek b\u00e1rmelyike \u200b\u200bt\u00e1rolhatott olyan rekordokat, amelyek TTL \u00e9rt\u00e9ke meghaladja a 86 400 m\u00e1sodpercet. Szint\u00e9n el\u0151fordulhat, hogy az eredeti DNS a sz\u00e1m\u00edt\u00f3g\u00e9ped helyi gyors\u00edt\u00f3t\u00e1r\u00e1ban t\u00e1rol\u00f3dik. Ez a gyors\u00edt\u00f3t\u00e1r mem\u00f3ria a <strong>Flushdns<\/strong> paranccsal \u00fcr\u00edthet\u0151 ki.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A parancsokat <strong>Windows<\/strong> eset\u00e9ben az al\u00e1bbi m\u00f3don tudod futtatni:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Kattints a <strong>Start<\/strong> (Window ikon a t\u00e1lc\u00e1n) gombra (vagy a Windows log\u00f3 billenty\u0171re) \u00e9s futtasd a &#8222;<strong>cmd<\/strong>&#8221; parancsot. A Windows \u00fajabb verzi\u00f3iban keress r\u00e1 a \u201ecmd\u201d kifejez\u00e9sre, \u00e9s nyomd meg az \u201eEnter\u201d-t. R\u00e9gebbi verzi\u00f3k eset\u00e9ben el\u0151sz\u00f6r a \u201eFuttat\u00e1s\u201d (Run) lehet\u0151s\u00e9get kell kiv\u00e1lasztanod, majd \u00edgy \u00edrd be a \u201ecmd\u201d parancsot.<\/li>\n\n\n\n<li>\u00cdrd be pl. az \u201e<strong>ipconfig \/flushdns<\/strong>\u201d parancsot a parancssor ablak\u00e1ba, \u00e9s nyomd meg az \u201eEnter\u201d-t. Ha a gyors\u00edt\u00f3t\u00e1r ki\u00fcr\u00fclt, egy meger\u0151s\u00edt\u0151 \u00fczenetet kell kapnod. A &#8222;ping&#8221;, illetve &#8222;tracert&#8221; parancsot is \u00edgy tudod futtatni.<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>A DNS rekordok m\u00f3dos\u00edt\u00e1sa ut\u00e1n ak\u00e1r 24 \u00f3r\u00e1t is ig\u00e9nybe vehet, mire minden szerver megkapja az \u00faj inform\u00e1ci\u00f3kat. A maxim\u00e1lis id\u0151t a TTL param\u00e9ter hat\u00e1rozza meg. Mi az a TTL? A TTL a &#8222;Time To Live&#8221; r\u00f6vid\u00edt\u00e9se. Az \u00e9rt\u00e9k m\u00e1sodpercben van megadva \u00e9s meghat\u00e1rozza, hogy mennyi ideig t\u00e1rol\u00f3dik a DNS&#8230;<\/p>\n","protected":false},"author":19,"template":"","format":"standard","meta":{"footnotes":""},"ht-kb-category":[99],"ht-kb-tag":[537,2717,2720],"class_list":["post-10664","ht_kb","type-ht_kb","status-publish","format-standard","hentry","ht_kb_category-domain","ht_kb_tag-dns","ht_kb_tag-ping","ht_kb_tag-tracert"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Mennyi id\u0151t vesz ig\u00e9nybe a DNS m\u00f3dos\u00edt\u00e1s? - Websupport Tud\u00e1sb\u00e1zis<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.websupport.hu\/tamogatas\/kb\/mennyi-idot-vesz-igenybe-a-dns-modositas\/\" \/>\n<meta property=\"og:locale\" content=\"hu_HU\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Mennyi id\u0151t vesz ig\u00e9nybe a DNS m\u00f3dos\u00edt\u00e1s? - Websupport Tud\u00e1sb\u00e1zis\" \/>\n<meta property=\"og:description\" content=\"A DNS rekordok m\u00f3dos\u00edt\u00e1sa ut\u00e1n ak\u00e1r 24 \u00f3r\u00e1t is ig\u00e9nybe vehet, mire minden szerver megkapja az \u00faj inform\u00e1ci\u00f3kat. 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