DNS কি | What is DNS? - Time Of BD - Education Blog

<style>/*<link href='https://www.blogger.com/dyn-css/authorization.css?targetBlogID=7359093582121555974&zx=89ff5ad4-172a-40ff-ad6d-2c6c39ba7b41' media='none' onload='if(media!='all')media='all'' rel='stylesheet'/><noscript><link href='https://www.blogger.com/dyn-css/authorization.css?targetBlogID=7359093582121555974&zx=89ff5ad4-172a-40ff-ad6d-2c6c39ba7b41' rel='stylesheet'/></noscript>
<meta name='google-adsense-platform-account' content='ca-host-pub-1556223355139109'/>
<meta name='google-adsense-platform-domain' content='blogspot.com'/>

<script async src="https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js?client=ca-pub-8609855355790463&host=ca-host-pub-1556223355139109" crossorigin="anonymous"></script>

<!-- data-ad-client=ca-pub-8609855355790463 -->

<link rel="stylesheet" href="https://fonts.googleapis.com/css2?display=swap&family=Kaushan+Script&family=Courgette&family=Arvo&family=Roboto+Condensed&family=Josefin+Sans&family=Dancing+Script&family=Source+Serif+Pro&family=Anek+Bangla"></head><body>*/</style>

DNS কি | What is DNS?

Educational help

July 24, 2022

DNS কি | What is DNS?

DNS কি?

DNS:-ডোমেন নেম সিস্টেম হলো একটি শ্রেণিবদ্ধ এবং বিকেন্দ্রীভূত নামকরণ সিস্টেম যা ইন্টারনেট বা অন্যান্য ইন্টারনেট প্রোটোকল নেটওয়ার্কের মাধ্যমে পৌঁছানো যায় এমন কম্পিউটার সনাক্ত করতে ব্যবহৃত হয়। DNS-এ থাকা রিসোর্স রেকর্ডগুলি অন্যান্য ধরনের তথ্যের সাথে ডোমেন নামকে যুক্ত করে।

What is DNS?

DNS:-The Domain Name System is the hierarchical and decentralized naming system used to identify computers reachable through the Internet or other Internet Protocol networks. The resource records contained in the DNS associate domain names with other forms of information.

ঢাকা বিভাগের সেহরি ও ইফতারের সময়সূচি> Download

সিলেট বিভাগের সেহরি ও ইফতারের সময়সূচি> Download

চট্রগ্রাম বিভাগের সেহরি ও ইফতারের সময়সূচি> Download

ময়মনসিংহ বিভাগের সেহরি ও ইফতারের সময়সূচি> Download

রাজশাহী বিভাগের সেহরি ও ইফতারের সময়সূচি> Download

খুলনা বিভাগের সেহরি ও ইফতারের সময়সূচি> Download

রংপুর বিভাগের সেহরি ও ইফতারের সময়সূচি> Download

বরিশাল বিভাগের সেহরি ও ইফতারের সময়সূচি> Download

<style>/*
<script type="text/javascript" src="https://www.blogger.com/static/v1/widgets/3855953344-widgets.js"></script>
<script type='text/javascript'>
window['__wavt'] = 'AOuZoY566YiLJLFn8dGM_hIpbNkZC-QoQw:1679742088380';_WidgetManager._Init('//www.blogger.com/rearrange?blogID\x3d7359093582121555974','//www.timeofbd.com/2022/07/DNS%20%20%20what-is-dns.html','7359093582121555974');
_WidgetManager._SetDataContext([{'name': 'blog', 'data': {'blogId': '7359093582121555974', 'title': 'Time Of BD - Education Blog', 'url': 'https://www.timeofbd.com/2022/07/DNS%20%20%20what-is-dns.html', 'canonicalUrl': 'https://www.timeofbd.com/2022/07/DNS%20%20%20what-is-dns.html', 'homepageUrl': 'https://www.timeofbd.com/', 'searchUrl': 'https://www.timeofbd.com/search', 'canonicalHomepageUrl': 'https://www.timeofbd.com/', 'blogspotFaviconUrl': 'https://www.timeofbd.com/favicon.ico', 'bloggerUrl': 'https://www.blogger.com', 'hasCustomDomain': true, 'httpsEnabled': true, 'enabledCommentProfileImages': true, 'gPlusViewType': 'FILTERED_POSTMOD', 'adultContent': false, 'analyticsAccountNumber': 'UA-202017316-1', 'encoding': 'UTF-8', 'locale': 'en', 'localeUnderscoreDelimited': 'en', 'languageDirection': 'ltr', 'isPrivate': false, 'isMobile': false, 'isMobileRequest': false, 'mobileClass': '', 'isPrivateBlog': false, 'isDynamicViewsAvailable': true, 'feedLinks': '\x3clink rel\x3d\x22alternate\x22 type\x3d\x22application/atom+xml\x22 title\x3d\x22Time Of BD - Education Blog - Atom\x22 href\x3d\x22https://www.timeofbd.com/feeds/posts/default\x22 /\x3e\n\x3clink rel\x3d\x22alternate\x22 type\x3d\x22application/rss+xml\x22 title\x3d\x22Time Of BD - Education Blog - RSS\x22 href\x3d\x22https://www.timeofbd.com/feeds/posts/default?alt\x3drss\x22 /\x3e\n\x3clink rel\x3d\x22service.post\x22 type\x3d\x22application/atom+xml\x22 title\x3d\x22Time Of BD - Education Blog - Atom\x22 href\x3d\x22https://www.blogger.com/feeds/7359093582121555974/posts/default\x22 /\x3e\n\n\x3clink rel\x3d\x22alternate\x22 type\x3d\x22application/atom+xml\x22 title\x3d\x22Time Of BD - Education Blog - Atom\x22 href\x3d\x22https://www.timeofbd.com/feeds/515008878607607345/comments/default\x22 /\x3e\n', 'meTag': '', 'adsenseClientId': 'ca-pub-8609855355790463', 'adsenseHostId': 'ca-host-pub-1556223355139109', 'adsenseHasAds': true, 'adsenseAutoAds': true, 'boqCommentIframeForm': true, 'loginRedirectParam': '', 'view': '', 'dynamicViewsCommentsSrc': '//www.blogblog.com/dynamicviews/4224c15c4e7c9321/js/comments.js', 'dynamicViewsScriptSrc': '//www.blogblog.com/dynamicviews/fe94b0ed9ed3696d', 'plusOneApiSrc': 'https://apis.google.com/js/platform.js', 'disableGComments': true, 'sharing': {'platforms': [{'name': 'Get link', 'key': 'link', 'shareMessage': 'Get link', 'target': ''}, {'name': 'Facebook', 'key': 'facebook', 'shareMessage': 'Share to Facebook', 'target': 'facebook'}, {'name': 'BlogThis!', 'key': 'blogThis', 'shareMessage': 'BlogThis!', 'target': 'blog'}, {'name': 'Twitter', 'key': 'twitter', 'shareMessage': 'Share to Twitter', 'target': 'twitter'}, {'name': 'Pinterest', 'key': 'pinterest', 'shareMessage': 'Share to Pinterest', 'target': 'pinterest'}, {'name': 'Email', 'key': 'email', 'shareMessage': 'Email', 'target': 'email'}], 'disableGooglePlus': true, 'googlePlusShareButtonWidth': 0, 'googlePlusBootstrap': '\x3cscript type\x3d\x22text/javascript\x22\x3ewindow.___gcfg \x3d {\x27lang\x27: \x27en\x27};\x3c/script\x3e'}, 'hasCustomJumpLinkMessage': true, 'jumpLinkMessage': 'Latest  post\xbb', 'pageType': 'item', 'postId': '515008878607607345', 'postImageThumbnailUrl': 'https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhakmkjDM7IQ20C19cI5MlEJuxDeay_6IkbJa__L9kRiGwK0ojoyHN1kiHhoiPSEo0Ac56wxVogKToe0022v7WrvNRqkrMdSe_rzjXXGhb4iQhkNBuv6sxQXWWfjpFTTHZ50YlK_Ogeu4E1JZ59RIq78-__Z_3cY07t2Jsl7BBINtw-joiCvF6WcQcK/s72-w640-c-h360/20220712_220920.jpg', 'postImageUrl': 'https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhakmkjDM7IQ20C19cI5MlEJuxDeay_6IkbJa__L9kRiGwK0ojoyHN1kiHhoiPSEo0Ac56wxVogKToe0022v7WrvNRqkrMdSe_rzjXXGhb4iQhkNBuv6sxQXWWfjpFTTHZ50YlK_Ogeu4E1JZ59RIq78-__Z_3cY07t2Jsl7BBINtw-joiCvF6WcQcK/w640-h360/20220712_220920.jpg', 'pageName': 'DNS \u0995\u09bf | What is DNS?', 'pageTitle': 'Time Of BD - Education Blog: DNS \u0995\u09bf | What is DNS?', 'metaDescription': 'DNS \u0995\u09bf | What is DNS?'}}, {'name': 'features', 'data': {}}, {'name': 'messages', 'data': {'edit': 'Edit', 'linkCopiedToClipboard': 'Link copied to clipboard!', 'ok': 'Ok', 'postLink': 'Post Link'}}, {'name': 'template', 'data': {'name': 'custom', 'localizedName': 'Custom', 'isResponsive': true, 'isAlternateRendering': false, 'isCustom': true}}, {'name': 'view', 'data': {'classic': {'name': 'classic', 'url': '?view\x3dclassic'}, 'flipcard': {'name': 'flipcard', 'url': '?view\x3dflipcard'}, 'magazine': {'name': 'magazine', 'url': '?view\x3dmagazine'}, 'mosaic': {'name': 'mosaic', 'url': '?view\x3dmosaic'}, 'sidebar': {'name': 'sidebar', 'url': '?view\x3dsidebar'}, 'snapshot': {'name': 'snapshot', 'url': '?view\x3dsnapshot'}, 'timeslide': {'name': 'timeslide', 'url': '?view\x3dtimeslide'}, 'isMobile': false, 'title': 'DNS \u0995\u09bf | What is DNS?', 'description': 'DNS \u0995\u09bf | What is DNS?', 'featuredImage': 'https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhakmkjDM7IQ20C19cI5MlEJuxDeay_6IkbJa__L9kRiGwK0ojoyHN1kiHhoiPSEo0Ac56wxVogKToe0022v7WrvNRqkrMdSe_rzjXXGhb4iQhkNBuv6sxQXWWfjpFTTHZ50YlK_Ogeu4E1JZ59RIq78-__Z_3cY07t2Jsl7BBINtw-joiCvF6WcQcK/w640-h360/20220712_220920.jpg', 'url': 'https://www.timeofbd.com/2022/07/DNS%20%20%20what-is-dns.html', 'type': 'item', 'isSingleItem': true, 'isMultipleItems': false, 'isError': false, 'isPage': false, 'isPost': true, 'isHomepage': false, 'isArchive': false, 'isLabelSearch': false, 'postId': 515008878607607345}}, {'name': 'widgets', 'data': [{'title': 'Upload Image', 'type': 'Image', 'sectionId': 'upload-image', 'id': 'Image10'}, {'title': 'Logo', 'type': 'HTML', 'sectionId': 'header-main', 'id': 'HTML10'}, {'title': 'Icons, Dark, Search', 'type': 'LinkList', 'sectionId': 'header-main', 'id': 'LinkList10'}, {'title': 'Menu', 'type': 'LinkList', 'sectionId': 'header-main', 'id': 'LinkList11'}, {'title': 'ExtraMenu', 'type': 'LinkList', 'sectionId': 'extra-menu', 'id': 'LinkList15'}, {'title': '', 'type': 'HTML', 'sectionId': 'special-home', 'id': 'HTML25'}, {'title': '', 'type': 'HTML', 'sectionId': 'before-blog', 'id': 'HTML11'}, {'title': '', 'type': 'HTML', 'sectionId': 'before-post', 'id': 'HTML8'}, {'title': 'Blog Posts', 'type': 'Blog', 'sectionId': 'blog-post', 'id': 'Blog1', 'posts': [{'id': '515008878607607345', 'title': 'DNS \u0995\u09bf | What is DNS?', 'featuredImage': 'https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhakmkjDM7IQ20C19cI5MlEJuxDeay_6IkbJa__L9kRiGwK0ojoyHN1kiHhoiPSEo0Ac56wxVogKToe0022v7WrvNRqkrMdSe_rzjXXGhb4iQhkNBuv6sxQXWWfjpFTTHZ50YlK_Ogeu4E1JZ59RIq78-__Z_3cY07t2Jsl7BBINtw-joiCvF6WcQcK/w640-h360/20220712_220920.jpg', 'showInlineAds': false}], 'footerBylines': [{'regionName': 'footer1', 'items': [{'name': 'author', 'label': 'by'}, {'name': 'timestamp', 'label': ''}, {'name': 'comments', 'label': 'Comment'}]}], 'allBylineItems': [{'name': 'author', 'label': 'by'}, {'name': 'timestamp', 'label': ''}, {'name': 'comments', 'label': 'Comment'}]}, {'title': '', 'type': 'HTML', 'sectionId': 'ads-post', 'id': 'HTML9'}, {'title': '', 'type': 'HTML', 'sectionId': 'ads-post', 'id': 'HTML4'}, {'title': '#You may also like', 'type': 'HTML', 'sectionId': 'ads-post', 'id': 'HTML15'}, {'title': '', 'type': 'HTML', 'sectionId': 'ads-post', 'id': 'HTML17'}, {'title': '', 'type': 'HTML', 'sectionId': 'after-blog', 'id': 'HTML18'}, {'title': '', 'type': 'HTML', 'sectionId': 'sidebar-static', 'id': 'HTML6'}, {'title': 'RECENTLY COMMENTS', 'type': 'HTML', 'sectionId': 'sidebar-static', 'id': 'HTML1'}, {'title': '', 'type': 'HTML', 'sectionId': 'footer-widget', 'id': 'HTML7'}, {'title': 'Class 1-5 Book Note', 'type': 'HTML', 'sectionId': 'footer-widget', 'id': 'HTML2'}, {'title': 'Class 6-10 Book Note', 'type': 'HTML', 'sectionId': 'footer-widget', 'id': 'HTML21'}, {'title': 'HSC All Book Note', 'type': 'HTML', 'sectionId': 'footer-widget', 'id': 'HTML3'}, {'title': 'Follow Us', 'type': 'LinkList', 'sectionId': 'footer-widget', 'id': 'LinkList14'}, {'title': 'LEGALLY PAGE\x27S', 'type': 'LinkList', 'sectionId': 'footer-widget', 'id': 'LinkList13'}, {'title': 'Newsletter', 'type': 'HTML', 'sectionId': 'footer-widget', 'id': 'HTML22'}, {'title': 'Copyright', 'type': 'HTML', 'sectionId': 'copyright', 'id': 'HTML23'}, {'title': '', 'type': 'HTML', 'sectionId': 'extra-bottom', 'id': 'HTML24'}, {'title': 'SVG Icons', 'type': 'HTML', 'sectionId': 'jet-options', 'id': 'HTML27'}, {'title': 'License Key', 'type': 'HTML', 'sectionId': 'jet-options', 'id': 'HTML28'}]}]);
_WidgetManager._RegisterWidget('_ImageView', new _WidgetInfo('Image10', 'upload-image', document.getElementById('Image10'), {'resize': false}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML10', 'header-main', document.getElementById('HTML10'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_LinkListView', new _WidgetInfo('LinkList10', 'header-main', document.getElementById('LinkList10'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_LinkListView', new _WidgetInfo('LinkList11', 'header-main', document.getElementById('LinkList11'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_LinkListView', new _WidgetInfo('LinkList15', 'extra-menu', document.getElementById('LinkList15'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML25', 'special-home', document.getElementById('HTML25'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML11', 'before-blog', document.getElementById('HTML11'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML8', 'before-post', document.getElementById('HTML8'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_BlogView', new _WidgetInfo('Blog1', 'blog-post', document.getElementById('Blog1'), {'cmtInteractionsEnabled': false, 'lightboxEnabled': true, 'lightboxModuleUrl': 'https://www.blogger.com/static/v1/jsbin/159776831-lbx.js', 'lightboxCssUrl': 'https://www.blogger.com/static/v1/v-css/3268905543-lightbox_bundle.css'}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML9', 'ads-post', document.getElementById('HTML9'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML4', 'ads-post', document.getElementById('HTML4'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML15', 'ads-post', document.getElementById('HTML15'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML17', 'ads-post', document.getElementById('HTML17'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML18', 'after-blog', document.getElementById('HTML18'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML6', 'sidebar-static', document.getElementById('HTML6'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML1', 'sidebar-static', document.getElementById('HTML1'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML7', 'footer-widget', document.getElementById('HTML7'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML2', 'footer-widget', document.getElementById('HTML2'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML21', 'footer-widget', document.getElementById('HTML21'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML3', 'footer-widget', document.getElementById('HTML3'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_LinkListView', new _WidgetInfo('LinkList14', 'footer-widget', document.getElementById('LinkList14'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_LinkListView', new _WidgetInfo('LinkList13', 'footer-widget', document.getElementById('LinkList13'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML22', 'footer-widget', document.getElementById('HTML22'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML23', 'copyright', document.getElementById('HTML23'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML24', 'extra-bottom', document.getElementById('HTML24'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML27', 'jet-options', document.getElementById('HTML27'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML28', 'jet-options', document.getElementById('HTML28'), {}, 'displayModeFull'));
</script>
</body>*/</style>