{"id":6884,"date":"2026-08-10T17:30:41","date_gmt":"2026-08-10T15:30:41","guid":{"rendered":"https:\/\/www.hostx.ro\/kb\/"},"modified":"2026-08-10T17:30:41","modified_gmt":"2026-08-10T15:30:41","password":"","slug":"ce-este-dnssec","status":"publish","type":"docs","link":"https:\/\/www.hostx.ro\/kb\/ce-este-dnssec\/","title":{"rendered":"Ce este DNSSEC?"},"content":{"rendered":"<p><strong>DNSSEC (Domain Name System Security Extensions)<\/strong> este un set de extensii care adaug\u0103 <strong>securitate<\/strong> sistemului DNS prin semnarea criptografic\u0103 a \u00eenregistr\u0103rilor. Scopul s\u0103u este s\u0103 garanteze c\u0103 r\u0103spunsurile DNS pe care le prime\u0219ti sunt <strong>autentice<\/strong> \u0219i nu au fost falsificate.<\/p>\n<h2>Problema pe care o rezolv\u0103<\/h2>\n<p>DNS-ul clasic nu verific\u0103 autenticitatea r\u0103spunsurilor. Un atacator ar putea compromite cache-ul DNS (cache poisoning) \u0219i redirec\u021biona vizitatorii c\u0103tre un server fals. DNSSEC previne acest lucru prin semn\u0103turi digitale.<\/p>\n<h2>Cum func\u021bioneaz\u0103, pe scurt<\/h2>\n<p>Fiecare \u00eenregistrare DNS este semnat\u0103 criptografic. Rezolverele care suport\u0103 DNSSEC verific\u0103 aceste semn\u0103turi printr-un \u201elan\u021b de \u00eencredere&#8221; care urc\u0103 p\u00e2n\u0103 la r\u0103d\u0103cina DNS. La nivelul registrului se public\u0103 o \u00eenregistrare <strong>DS<\/strong> care leag\u0103 domeniul de cheile lui.<\/p>\n<h2>De re\u021binut<\/h2>\n<ul>\n<li>DNSSEC protejeaz\u0103 <strong>integritatea<\/strong> r\u0103spunsurilor DNS, nu confiden\u021bialitatea (nu cripteaz\u0103 traficul)<\/li>\n<li>Activarea necesit\u0103 suport at\u00e2t la furnizorul de DNS, c\u00e2t \u0219i la registrul domeniului<\/li>\n<li>O configurare gre\u0219it\u0103 poate face domeniul inaccesibil a\u0219a c\u0103 se activeaz\u0103-l cu aten\u021bie<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>DNSSEC (Domain Name System Security Extensions) este un set de extensii care adaug\u0103 securitate sistemului DNS prin semnarea criptografic\u0103 a \u00eenregistr\u0103rilor. Scopul s\u0103u este s\u0103 garanteze c\u0103 r\u0103spunsurile DNS pe care le prime\u0219ti sunt autentice \u0219i nu au fost falsificate. Problema pe care o rezolv\u0103 DNS-ul clasic nu verific\u0103 autenticitatea r\u0103spunsurilor. Un atacator ar putea &#8230; <a title=\"Ce este DNSSEC?\" class=\"read-more\" href=\"https:\/\/www.hostx.ro\/kb\/ce-este-dnssec\/\" aria-label=\"Cite\u0219te mai multe despre Ce este DNSSEC?\">Cite\u0219te mai mult<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"inline_featured_image":false,"whmcs_kb_id":0,"footnotes":""},"doc_category":[526],"doc_tag":[234,244,263,245,246],"class_list":["post-6884","docs","type-docs","status-publish","hentry","doc_category-glosar","doc_tag-administrare","doc_tag-certificat-digital","doc_tag-dns","doc_tag-securitate","doc_tag-ssl-tls"],"year_month":"2026-08","word_count":175,"total_views":"2","reactions":{"happy":"0","normal":"0","sad":"0"},"author_info":{"name":"benyhill","author_nicename":"benyhill","author_url":"https:\/\/www.hostx.ro\/kb\/author\/benyhill\/"},"doc_category_info":[{"term_name":"Glosar","term_url":"https:\/\/www.hostx.ro\/kb\/docs-category\/glosar\/"}],"doc_tag_info":[{"term_name":"administrare","term_url":"https:\/\/www.hostx.ro\/kb\/docs-tag\/administrare\/"},{"term_name":"certificat digital","term_url":"https:\/\/www.hostx.ro\/kb\/docs-tag\/certificat-digital\/"},{"term_name":"DNS","term_url":"https:\/\/www.hostx.ro\/kb\/docs-tag\/dns\/"},{"term_name":"securitate","term_url":"https:\/\/www.hostx.ro\/kb\/docs-tag\/securitate\/"},{"term_name":"SSL\/TLS","term_url":"https:\/\/www.hostx.ro\/kb\/docs-tag\/ssl-tls\/"}],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Ce este DNSSEC \u0219i cum func\u021bioneaz\u0103 - Centrul de suport HostX<\/title>\n<meta name=\"description\" content=\"DNSSEC adaug\u0103 securitate DNS prin semn\u0103ri criptografice, prevenind falsificarea r\u0103spunsurilor \u0219i cache poisoning. 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