{"id":3845,"date":"2024-06-26T16:29:05","date_gmt":"2024-06-26T14:29:05","guid":{"rendered":"https:\/\/mijn.host\/blog\/vad-ar-ttl-dns\/"},"modified":"2026-09-16T12:08:14","modified_gmt":"2026-09-16T10:08:14","slug":"vad-ar-ttl-dns","status":"publish","type":"post","link":"https:\/\/my.host\/blog\/se\/vad-ar-ttl-dns\/","title":{"rendered":"Vad \u00e4r TTL (DNS)"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u00c4ndringar i dina DNS-poster? D\u00e5 har du s\u00e4kert st\u00f6tt p\u00e5 termen <strong>TTL <\/strong>. Denna TTL v\u00e4cker m\u00e5nga fr\u00e5gor hos dom\u00e4nadministrat\u00f6rer, och det f\u00f6rst\u00e5r vi p\u00e5 my.host. D\u00e4rf\u00f6r klarg\u00f6r vi med denna artikel vad TTL egentligen \u00e4r och hur du anv\u00e4nder det.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L\u00e4s d\u00e4rf\u00f6r artikeln nedan f\u00f6r att f\u00e5 svar p\u00e5 f\u00f6ljande fr\u00e5gor och \u00e4mnen:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vad st\u00e5r TTL f\u00f6r;<\/li>\n\n\n\n<li>Vad anv\u00e4nds TTL till inom ett DNS-post;<\/li>\n\n\n\n<li>De v\u00e4rden du kan v\u00e4lja f\u00f6r TTL.<\/li>\n<\/ul>\n\n\n\n<h2 id=\"vad-star-ttl-for\" class=\"wp-block-heading\"><strong>Vad st\u00e5r \u201cTTL\u201d f\u00f6r<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">TTL st\u00e5r f\u00f6r \u201cTime To Live\u201d och inneb\u00e4r rent praktiskt en sorts timer f\u00f6r hur l\u00e4nge en post cacheas av DNS.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">DNS st\u00e5r f\u00f6r Domain Name System och \u00e4r ett system som best\u00e5r av databaser. Dessa databaser omvandlar IP-adresser till de dom\u00e4nnamn du har t\u00e4nkt ut och beg\u00e4rt. DNS kan ocks\u00e5 h\u00e5lla reda p\u00e5 webbplatsnamn och tillh\u00f6rande IP-adresser.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Time To Live, eller TTL, anger inom dessa dom\u00e4nnamnssystem hur l\u00e4nge det h\u00e5ller kvar en post innan du beh\u00f6ver g\u00f6ra en ny f\u00f6rfr\u00e5gan. Dessutom anger TTL hur snabbt och hur ofta h\u00e4nvisningarna av poster i dom\u00e4nnamnssystemet \u00e4ndras.&nbsp;<\/p>\n\n\n\n<h2 id=\"vad-anvands-ttl-till-inom-ett-dnsrecorrd\" class=\"wp-block-heading\"><strong>Vad anv\u00e4nds TTL till inom ett DNS-recorrd<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">N\u00e4r du vill \u00e4ndra din IP-adress \u00e4r det bra att st\u00e4lla in en TTL. Detta g\u00f6r du f\u00f6r att f\u00f6rhindra att din webbplats tillf\u00e4lligt inte \u00e4r tillg\u00e4nglig eller n\u00e5bar. Denna tid kallas ofta f\u00f6r \u201cdowntime\u201d och detta vill du helst undvika vid alla tillf\u00e4llen.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00c4ven n\u00e4r du g\u00f6r andra \u00e4ndringar i din DNS \u00e4r det alltid en bra id\u00e9 att st\u00e4lla in en Time To Live (TTL). P\u00e5 s\u00e5 s\u00e4tt p\u00e5verkas inte anv\u00e4ndarna av din webbplats av f\u00f6r\u00e4ndringar och trafiken kan forts\u00e4tta att komma.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00e4nk p\u00e5 att st\u00e4lla in TTL n\u00e4r du verkligen t\u00e4nker genomf\u00f6ra \u00e4ndringar, eftersom en TTL ofta inte varar i flera dagar, vilket inte heller rekommenderas f\u00f6r din webbplats och DNS. Du skjuter bara upp tiden tills det kontrolleras om en DNS-post har \u00e4ndrats.&nbsp;<\/p>\n\n\n\n<h2 id=\"de-varden-du-kan-valja-for-ttl\" class=\"wp-block-heading\"><strong>De v\u00e4rden du kan v\u00e4lja f\u00f6r TTL<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">F\u00f6r TTL v\u00e4ljer du mellan ett antal v\u00e4rden som du st\u00e4ller in, dessa v\u00e4rden skiljer sig i minimum, standard och maximalt TTL.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Den l\u00e4gsta TTL har ett v\u00e4rde p\u00e5 600 sekunder och s\u00e4tts allts\u00e5 som minimum. Denna TTL motsvarar 10 minuter d\u00e5 det inte g\u00f6rs efterfr\u00e5gningar efter \u00e4ndringar i DNS-posten.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Standard TTL har ett v\u00e4rde p\u00e5 3600 sekunder, vilket motsvarar 1 timme. Under denna timme g\u00f6rs inga efterfr\u00e5gningar efter \u00e4ndringar och din webbplats f\u00f6rblir tillg\u00e4nglig.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Den maximala TTL har ett v\u00e4rde p\u00e5 86.400 sekunder, 24 timmar d\u00e5 du kan genomf\u00f6ra \u00e4ndringar i din DNS eller IP-adress utan att din webbplats ligger nere.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Det \u00e4r ocks\u00e5 m\u00f6jligt att v\u00e4lja andra v\u00e4rden, men vi rekommenderar aldrig att g\u00e5 under 300 sekunder. Detta eftersom stora leverant\u00f6rer som KPN eller Ziggo ofta inte accepterar det.&nbsp;<\/p>\n\n\n\n<h2 id=\"tjansterna-hos-myhostnbsp\" class=\"wp-block-heading\"><strong>Tj\u00e4nsterna hos my.host <\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Hos my.host erbjuder vi olika tj\u00e4nster som g\u00f6r det enklare att hantera en webbplats och d\u00e4rmed en dom\u00e4n. Vi erbjuder t.ex. <a href=\"https:\/\/my.host\/\">webbhotell<\/a> eller f\u00f6r registreringen eller <a href=\"https:\/\/my.host\/domeinnaam\/verhuizen\/\">flytten av dom\u00e4nnamn<\/a>.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ta en titt p\u00e5 <a href=\"https:\/\/my.host\/\">v\u00e5ra tj\u00e4nster<\/a> f\u00f6r mer information eller skicka oss ett meddelande med f\u00f6rfr\u00e5gningar eller fr\u00e5gor.&nbsp;<\/p>\n\n\n\n<div class=\"wp-block-group has-base-background-color has-background has-global-padding is-layout-constrained wp-container-core-group-is-layout-f4463924 wp-block-group-is-layout-constrained\" style=\"border-radius:8px;margin-top:var(--wp--preset--spacing--40);margin-bottom:var(--wp--preset--spacing--40);padding-top:var(--wp--preset--spacing--30);padding-right:var(--wp--preset--spacing--30);padding-bottom:var(--wp--preset--spacing--30);padding-left:var(--wp--preset--spacing--30)\">\n<div class=\"wp-block-columns is-not-stacked-on-mobile is-layout-flex wp-container-core-columns-is-layout-461897f4 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:15%\">\n<svg style=\"max-width:50px\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" fill=\"none\" viewBox=\"0.04 0.04 16.24 16.12\">\n    <g clip-path=\"url(#clip0_474_4172)\">\n        <path d=\"M9.52521 16.151C13.2539 16.151 16.2766 13.1283 16.2766 9.39959C16.2766 5.6709 13.2539 2.64819 9.52521 2.64819C5.79651 2.64819 2.7738 5.6709 2.7738 9.39959C2.7738 13.1283 5.79651 16.151 9.52521 16.151Z\" fill=\"#CCEDFD\"\/>\n        <path d=\"M7.53644 14.2878C11.2651 14.2878 14.2878 11.2651 14.2878 7.53644C14.2878 3.80774 11.2651 0.785034 7.53644 0.785034C3.80774 0.785034 0.785034 3.80774 0.785034 7.53644C0.785034 11.2651 3.80774 14.2878 7.53644 14.2878Z\" stroke=\"#003F5D\" stroke-width=\"1.5\" stroke-miterlimit=\"10\"\/>\n        <path d=\"M7.5365 14.2878C8.93549 14.2878 10.0696 11.2651 10.0696 7.53644C10.0696 3.80774 8.93549 0.785034 7.5365 0.785034C6.13752 0.785034 5.00342 3.80774 5.00342 7.53644C5.00342 11.2651 6.13752 14.2878 7.5365 14.2878Z\" stroke=\"#003F5D\" stroke-width=\"1.5\" stroke-miterlimit=\"10\"\/>\n        <path d=\"M14.2983 7.5365H0.785034\" stroke=\"#003F5D\" stroke-width=\"1.5\" stroke-miterlimit=\"10\"\/>\n    <\/g>\n<\/svg>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"has-secondary-color has-text-color wp-block-paragraph\" style=\"margin-top:0;margin-bottom:0\"><strong>Domeinnaam bestellen?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"margin-top:0;margin-bottom:0\">Een goede naam zorgt voor een goede website.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/my.host\/domeinnaam\/?utm_source=my.host&amp;utm_medium=blog&amp;utm_content=cta\" target=\"_blank\" rel=\"noreferrer noopener\">Bestel nu<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>G\u00f6r du \u00e4ndringar i dina DNS-poster? D\u00e5 har du s\u00e4kert sett termen TTL. Denna TTL v\u00e4cker m\u00e5nga fr\u00e5gor hos dom\u00e4nadministrat\u00f6rer, och det f\u00f6rst\u00e5r vi p\u00e5 my.host v\u00e4l. D\u00e4rf\u00f6r klarg\u00f6r vi i denna artikel vad TTL egentligen \u00e4r och hur du anv\u00e4nder det. L\u00e4s artikeln nedan f\u00f6r att [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":1250,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"hide_cta_migrate_site":false,"hide_toc_block":false,"footnotes":""},"categories":[985,953],"tags":[927],"class_list":["post-3845","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-domannamn","category-tips-och-tricks","tag-dns"],"lang":"sv","translations":{"sv":3845,"nl":1249,"nb":3754,"da":3632,"en":3259},"pll_sync_post":{},"_links":{"self":[{"href":"https:\/\/my.host\/blog\/wp-json\/wp\/v2\/posts\/3845","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/my.host\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/my.host\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/my.host\/blog\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/my.host\/blog\/wp-json\/wp\/v2\/comments?post=3845"}],"version-history":[{"count":1,"href":"https:\/\/my.host\/blog\/wp-json\/wp\/v2\/posts\/3845\/revisions"}],"predecessor-version":[{"id":4096,"href":"https:\/\/my.host\/blog\/wp-json\/wp\/v2\/posts\/3845\/revisions\/4096"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/my.host\/blog\/wp-json\/wp\/v2\/media\/1250"}],"wp:attachment":[{"href":"https:\/\/my.host\/blog\/wp-json\/wp\/v2\/media?parent=3845"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/my.host\/blog\/wp-json\/wp\/v2\/categories?post=3845"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/my.host\/blog\/wp-json\/wp\/v2\/tags?post=3845"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}