{"id":708,"date":"2025-01-05T08:00:39","date_gmt":"2025-01-05T08:00:39","guid":{"rendered":"https:\/\/dnscompetition.in\/articles\/dns-caching-mechanisms-explained\/"},"modified":"2025-01-05T08:00:39","modified_gmt":"2025-01-05T08:00:39","slug":"dns-caching-mechanisms-explained","status":"publish","type":"post","link":"https:\/\/dnscompetition.in\/hi\/articles\/dns-caching-mechanisms-explained\/","title":{"rendered":"DNS \u0915\u0948\u0936\u093f\u0902\u0917 \u0924\u0902\u0924\u094d\u0930 \u0915\u0940 \u0935\u094d\u092f\u093e\u0916\u094d\u092f\u093e"},"content":{"rendered":"

\u0921\u094b\u092e\u0947\u0928 \u0928\u0947\u092e \u0938\u093f\u0938\u094d\u091f\u092e (DNS) \u0907\u0902\u091f\u0930\u0928\u0947\u091f \u0915\u0940 \u0930\u0940\u0922\u093c \u0939\u0948, \u091c\u094b \u092e\u093e\u0928\u0935-\u092a\u0920\u0928\u0940\u092f \u0921\u094b\u092e\u0947\u0928 \u0928\u093e\u092e\u094b\u0902 \u0915\u094b IP \u092a\u0924\u094b\u0902 \u092e\u0947\u0902 \u0905\u0928\u0941\u0935\u093e\u0926 \u0915\u0930\u0924\u093e \u0939\u0948 \u091c\u093f\u0938\u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0915\u0902\u092a\u094d\u092f\u0942\u091f\u0930 \u090f\u0915 \u0926\u0942\u0938\u0930\u0947 \u0915\u0947 \u0938\u093e\u0925 \u0938\u0902\u091a\u093e\u0930 \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0915\u0930\u0924\u0947 \u0939\u0948\u0902\u0964 \u0926\u0915\u094d\u0937\u0924\u093e \u092e\u0947\u0902 \u0938\u0941\u0927\u093e\u0930 \u0915\u0930\u0928\u0947 \u0914\u0930 DNS \u0938\u092e\u093e\u0927\u093e\u0928 \u092a\u094d\u0930\u0915\u094d\u0930\u093f\u092f\u093e \u0915\u094b \u0917\u0924\u093f \u0926\u0947\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f, DNS \u092a\u0926\u093e\u0928\u0941\u0915\u094d\u0930\u092e \u0915\u0947 \u0935\u093f\u092d\u093f\u0928\u094d\u0928 \u0938\u094d\u0924\u0930\u094b\u0902 \u092a\u0930 \u0915\u0948\u0936\u093f\u0902\u0917 \u0924\u0902\u0924\u094d\u0930 \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0915\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948\u0964 \u092f\u0939 \u0932\u0947\u0916 DNS \u0915\u0948\u0936\u093f\u0902\u0917 \u0915\u0940 \u092a\u0947\u091a\u0940\u0926\u0917\u093f\u092f\u094b\u0902 \u092a\u0930 \u0917\u0939\u0930\u093e\u0908 \u0938\u0947 \u091a\u0930\u094d\u091a\u093e \u0915\u0930\u0924\u093e \u0939\u0948, \u092f\u0939 \u092c\u0924\u093e\u0924\u093e \u0939\u0948 \u0915\u093f \u092f\u0939 \u0915\u0948\u0938\u0947 \u0915\u093e\u092e \u0915\u0930\u0924\u093e \u0939\u0948, \u0907\u0938\u0915\u0947 \u0932\u093e\u092d \u0915\u094d\u092f\u093e \u0939\u0948\u0902 \u0914\u0930 \u0907\u0938\u0947 \u0915\u0948\u0938\u0947 \u0905\u0928\u0941\u0915\u0942\u0932\u093f\u0924 \u0915\u093f\u092f\u093e \u091c\u093e \u0938\u0915\u0924\u093e \u0939\u0948\u0964<\/p>\n

DNS \u0915\u0948\u0936\u093f\u0902\u0917 \u0915\u094d\u092f\u093e \u0939\u0948?<\/h2>\n

DNS \u0915\u0948\u0936\u093f\u0902\u0917 DNS \u0915\u094d\u0935\u0947\u0930\u0940 \u092a\u0930\u093f\u0923\u093e\u092e\u094b\u0902 \u0915\u0947 \u0905\u0938\u094d\u0925\u093e\u092f\u0940 \u092d\u0902\u0921\u093e\u0930\u0923 \u0915\u094b \u0938\u0902\u0926\u0930\u094d\u092d\u093f\u0924 \u0915\u0930\u0924\u093e \u0939\u0948\u0964 \u091c\u092c DNS \u0915\u094d\u0935\u0947\u0930\u0940 \u092c\u0928\u093e\u0908 \u091c\u093e\u0924\u0940 \u0939\u0948, \u0924\u094b \u092a\u0930\u093f\u0923\u093e\u092e \u090f\u0915 \u0928\u093f\u0930\u094d\u0926\u093f\u0937\u094d\u091f \u0905\u0935\u0927\u093f \u0915\u0947 \u0932\u093f\u090f \u0915\u0948\u0936 \u092e\u0947\u0902 \u0938\u0902\u0917\u094d\u0930\u0939\u0940\u0924 \u0915\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948, \u091c\u094b DNS \u0930\u093f\u0915\u0949\u0930\u094d\u0921 \u0938\u0947 \u091c\u0941\u0921\u093c\u0947 \u091f\u093e\u0907\u092e-\u091f\u0942-\u0932\u093e\u0907\u0935 (TTL) \u092e\u093e\u0928 \u0926\u094d\u0935\u093e\u0930\u093e \u0928\u093f\u0930\u094d\u0927\u093e\u0930\u093f\u0924 \u0939\u094b\u0924\u093e \u0939\u0948\u0964 DNS \u092a\u094d\u0930\u0924\u093f\u0915\u094d\u0930\u093f\u092f\u093e\u0913\u0902 \u0915\u094b \u0915\u0948\u0936 \u0915\u0930\u0915\u0947, \u0909\u0938\u0940 \u0921\u094b\u092e\u0947\u0928 \u0915\u0947 \u0932\u093f\u090f \u092c\u093e\u0926 \u0915\u0947 \u0905\u0928\u0941\u0930\u094b\u0927\u094b\u0902 \u0915\u094b \u0906\u0927\u093f\u0915\u093e\u0930\u093f\u0915 DNS \u0938\u0930\u094d\u0935\u0930 \u0915\u094b \u092b\u093f\u0930 \u0938\u0947 \u0915\u094d\u0935\u0947\u0930\u0940 \u0915\u093f\u090f \u092c\u093f\u0928\u093e \u0905\u0927\u093f\u0915 \u0924\u0947\u091c\u093c\u0940 \u0938\u0947 \u0939\u0932 \u0915\u093f\u092f\u093e \u091c\u093e \u0938\u0915\u0924\u093e \u0939\u0948, \u0907\u0938 \u092a\u094d\u0930\u0915\u093e\u0930 \u0935\u093f\u0932\u0902\u092c\u0924\u093e \u0914\u0930 \u0938\u0930\u094d\u0935\u0930 \u0932\u094b\u0921 \u0915\u094b \u0915\u092e \u0915\u093f\u092f\u093e \u091c\u093e \u0938\u0915\u0924\u093e \u0939\u0948\u0964<\/p>\n

DNS \u0915\u0948\u0936\u093f\u0902\u0917 \u0915\u0948\u0938\u0947 \u0915\u093e\u092e \u0915\u0930\u0924\u093e \u0939\u0948<\/h2>\n

DNS \u0915\u0948\u0936\u093f\u0902\u0917 DNS \u0938\u092e\u093e\u0927\u093e\u0928 \u092a\u094d\u0930\u0915\u094d\u0930\u093f\u092f\u093e \u092e\u0947\u0902 \u0915\u0908 \u092c\u093f\u0902\u0926\u0941\u0913\u0902 \u092a\u0930 \u0939\u094b \u0938\u0915\u0924\u0940 \u0939\u0948:<\/p>\n

    \n
  1. \n

    \u092c\u094d\u0930\u093e\u0909\u091c\u093c\u0930 \u0915\u0948\u0936<\/strong>\u0906\u0927\u0941\u0928\u093f\u0915 \u0935\u0947\u092c \u092c\u094d\u0930\u093e\u0909\u091c\u093c\u0930 DNS \u092a\u094d\u0930\u0924\u093f\u0915\u094d\u0930\u093f\u092f\u093e\u0913\u0902 \u0915\u094b \u0905\u092a\u0928\u0947 \u0915\u0948\u0936 \u092e\u0947\u0902 \u0938\u0902\u0917\u094d\u0930\u0939\u0940\u0924 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902\u0964 \u092f\u0926\u093f \u0915\u094b\u0908 \u0909\u092a\u092f\u094b\u0917\u0915\u0930\u094d\u0924\u093e TTL \u0905\u0935\u0927\u093f \u0915\u0947 \u092d\u0940\u0924\u0930 \u0915\u093f\u0938\u0940 \u0935\u0947\u092c\u0938\u093e\u0907\u091f \u092a\u0930 \u0926\u094b\u092c\u093e\u0930\u093e \u091c\u093e\u0924\u093e \u0939\u0948, \u0924\u094b \u092c\u094d\u0930\u093e\u0909\u091c\u093c\u0930 \u0905\u092a\u0928\u0947 \u0915\u0948\u0936 \u0938\u0947 IP \u092a\u0924\u093e \u092a\u094d\u0930\u093e\u092a\u094d\u0924 \u0915\u0930\u0924\u093e \u0939\u0948\u0964<\/p>\n<\/li>\n

  2. \n

    \u0911\u092a\u0930\u0947\u091f\u093f\u0902\u0917 \u0938\u093f\u0938\u094d\u091f\u092e \u0915\u0948\u0936<\/strong>\u0911\u092a\u0930\u0947\u091f\u093f\u0902\u0917 \u0938\u093f\u0938\u094d\u091f\u092e \u0905\u092a\u0928\u093e \u0916\u0941\u0926 \u0915\u093e DNS \u0915\u0948\u0936 \u092c\u0928\u093e\u090f \u0930\u0916\u0924\u093e \u0939\u0948\u0964 DNS \u0930\u093f\u091c\u093c\u0949\u0932\u094d\u0935\u0930 \u0915\u094b DNS \u0915\u094d\u0935\u0947\u0930\u0940 \u092d\u0947\u091c\u0928\u0947 \u0938\u0947 \u092a\u0939\u0932\u0947, OS \u092f\u0939 \u0926\u0947\u0916\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0905\u092a\u0928\u0947 \u0915\u0948\u0936 \u0915\u0940 \u091c\u093e\u0901\u091a \u0915\u0930\u0924\u093e \u0939\u0948 \u0915\u093f \u0915\u094d\u092f\u093e \u092a\u0930\u093f\u0923\u093e\u092e \u092a\u0939\u0932\u0947 \u0938\u0947 \u0909\u092a\u0932\u092c\u094d\u0927 \u0939\u0948\u0964<\/p>\n<\/li>\n

  3. \n

    \u092a\u0941\u0928\u0930\u093e\u0935\u0930\u094d\u0924\u0940 DNS \u0930\u093f\u091c\u093c\u0949\u0932\u094d\u0935\u0930 \u0915\u0948\u0936<\/strong>: ISP \u0914\u0930 \u0905\u0928\u094d\u092f DNS \u092a\u094d\u0930\u0926\u093e\u0924\u093e \u0906\u092e \u0924\u094c\u0930 \u092a\u0930 \u092a\u0941\u0928\u0930\u093e\u0935\u0930\u094d\u0924\u0940 DNS \u0930\u093f\u091c\u093c\u0949\u0932\u094d\u0935\u0930 \u0938\u0902\u091a\u093e\u0932\u093f\u0924 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902 \u091c\u094b DNS \u0915\u094d\u0935\u0947\u0930\u0940 \u092a\u0930\u093f\u0923\u093e\u092e\u094b\u0902 \u0915\u094b \u0915\u0948\u0936 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902\u0964 \u092f\u0939\u0940\u0902 \u092a\u0930 \u0938\u092c\u0938\u0947 \u091c\u093c\u094d\u092f\u093e\u0926\u093e DNS \u0915\u0948\u0936\u093f\u0902\u0917 \u0939\u094b\u0924\u0940 \u0939\u0948\u0964 \u091c\u092c DNS \u0930\u093f\u091c\u093c\u0949\u0932\u094d\u0935\u0930 \u0915\u094b \u0915\u094b\u0908 \u0915\u094d\u0935\u0947\u0930\u0940 \u092e\u093f\u0932\u0924\u0940 \u0939\u0948, \u0924\u094b \u0935\u0939 \u0938\u092c\u0938\u0947 \u092a\u0939\u0932\u0947 \u0905\u092a\u0928\u0947 \u0915\u0948\u0936 \u0915\u0940 \u091c\u093e\u0901\u091a \u0915\u0930\u0924\u093e \u0939\u0948\u0964 \u0905\u0917\u0930 \u0909\u0924\u094d\u0924\u0930 \u0909\u092a\u0932\u092c\u094d\u0927 \u0939\u0948, \u0924\u094b \u092f\u0939 \u0915\u0948\u0936 \u0915\u093f\u090f \u0917\u090f \u092a\u0930\u093f\u0923\u093e\u092e \u0915\u094b \u0932\u094c\u091f\u093e\u0924\u093e \u0939\u0948\u0964 \u0905\u0917\u0930 \u0928\u0939\u0940\u0902, \u0924\u094b \u092f\u0939 \u0926\u0942\u0938\u0930\u0947 DNS \u0938\u0930\u094d\u0935\u0930 \u0938\u0947 \u0915\u094d\u0935\u0947\u0930\u0940 \u0915\u0930\u0924\u093e \u0939\u0948\u0964<\/p>\n<\/li>\n

  4. \n

    CDN \u0914\u0930 \u092a\u094d\u0930\u0949\u0915\u094d\u0938\u0940 \u0915\u0948\u0936<\/strong>\u0938\u093e\u092e\u0917\u094d\u0930\u0940 \u0935\u093f\u0924\u0930\u0923 \u0928\u0947\u091f\u0935\u0930\u094d\u0915 (CDN) \u0914\u0930 \u092a\u094d\u0930\u0949\u0915\u094d\u0938\u0940 \u0938\u0930\u094d\u0935\u0930 \u092d\u0940 \u0938\u093e\u092e\u0917\u094d\u0930\u0940 \u0935\u093f\u0924\u0930\u0923 \u0915\u0947 \u092a\u094d\u0930\u0926\u0930\u094d\u0936\u0928 \u0914\u0930 \u0935\u093f\u0936\u094d\u0935\u0938\u0928\u0940\u092f\u0924\u093e \u0915\u094b \u092c\u0947\u0939\u0924\u0930 \u092c\u0928\u093e\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f DNS \u0930\u093f\u0915\u0949\u0930\u094d\u0921 \u0915\u094b \u0915\u0948\u0936 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902\u0964<\/p>\n<\/li>\n<\/ol>\n

    DNS \u0915\u0948\u0936\u093f\u0902\u0917 \u0915\u0947 \u0932\u093e\u092d<\/h2>\n
      \n
    • \u0915\u092e \u0935\u093f\u0932\u0902\u092c\u0924\u093e<\/strong>DNS \u0915\u094d\u0935\u0947\u0930\u0940 \u092a\u0930\u093f\u0923\u093e\u092e\u094b\u0902 \u0915\u094b \u0915\u094d\u0932\u093e\u0907\u0902\u091f \u0915\u0947 \u0928\u093f\u0915\u091f \u0938\u0902\u0917\u094d\u0930\u0939\u0940\u0924 \u0915\u0930\u0915\u0947, DNS \u0915\u0948\u0936\u093f\u0902\u0917 \u0921\u094b\u092e\u0947\u0928 \u0928\u093e\u092e\u094b\u0902 \u0915\u094b \u0939\u0932 \u0915\u0930\u0928\u0947 \u092e\u0947\u0902 \u0932\u0917\u0928\u0947 \u0935\u093e\u0932\u0947 \u0938\u092e\u092f \u0915\u094b \u092e\u0939\u0924\u094d\u0935\u092a\u0942\u0930\u094d\u0923 \u0930\u0942\u092a \u0938\u0947 \u0915\u092e \u0915\u0930 \u0926\u0947\u0924\u093e \u0939\u0948\u0964<\/li>\n
    • DNS \u0938\u0930\u094d\u0935\u0930 \u0932\u094b\u0921 \u0915\u092e \u0915\u0930\u0947\u0902<\/strong>\u0915\u0948\u0936\u093f\u0902\u0917 \u0909\u0928 \u092a\u094d\u0930\u0936\u094d\u0928\u094b\u0902 \u0915\u0940 \u0938\u0902\u0916\u094d\u092f\u093e \u0915\u094b \u0928\u094d\u092f\u0942\u0928\u0924\u092e \u0915\u0930 \u0926\u0947\u0924\u093e \u0939\u0948 \u091c\u093f\u0928\u094d\u0939\u0947\u0902 \u0906\u0927\u093f\u0915\u093e\u0930\u093f\u0915 DNS \u0938\u0930\u094d\u0935\u0930\u094b\u0902 \u0915\u094b \u0938\u0902\u092d\u093e\u0932\u0928\u093e \u0939\u094b\u0924\u093e \u0939\u0948, \u091c\u093f\u0938\u0938\u0947 \u0909\u0928\u0915\u093e \u0915\u093e\u0930\u094d\u092f\u092d\u093e\u0930 \u0915\u092e \u0939\u094b \u091c\u093e\u0924\u093e \u0939\u0948\u0964<\/li>\n
    • \u092c\u0947\u0939\u0924\u0930 \u0932\u091a\u0940\u0932\u093e\u092a\u0928<\/strong>: DNS \u0915\u0948\u0936\u093f\u0902\u0917 \u090f\u0915 \u0938\u094d\u0924\u0930 \u0915\u0940 \u0917\u0932\u0924\u0940 \u0938\u0939\u0928\u0936\u0940\u0932\u0924\u093e \u092a\u094d\u0930\u0926\u093e\u0928 \u0915\u0930\u0924\u093e \u0939\u0948\u0964 \u092f\u0926\u093f \u0906\u0927\u093f\u0915\u093e\u0930\u093f\u0915 \u0938\u0930\u094d\u0935\u0930 \u092a\u0939\u0941\u0902\u091a \u0938\u0947 \u092c\u093e\u0939\u0930 \u0939\u094b \u091c\u093e\u0924\u093e \u0939\u0948, \u0924\u094b \u0915\u0948\u0936 \u0915\u093f\u090f \u0917\u090f \u092a\u0930\u093f\u0923\u093e\u092e \u0905\u092d\u0940 \u092d\u0940 \u0909\u092a\u092f\u094b\u0917 \u0915\u093f\u090f \u091c\u093e \u0938\u0915\u0924\u0947 \u0939\u0948\u0902\u0964<\/li>\n
    • \u092c\u0948\u0902\u0921\u0935\u093f\u0921\u094d\u0925 \u0926\u0915\u094d\u0937\u0924\u093e<\/strong>\u092c\u093e\u0930-\u092c\u093e\u0930 DNS \u0915\u094d\u0935\u0947\u0930\u0940 \u0915\u0940 \u0906\u0935\u0936\u094d\u092f\u0915\u0924\u093e \u0915\u094b \u0915\u092e \u0915\u0930\u0915\u0947, \u0915\u0948\u0936\u093f\u0902\u0917 \u092c\u0948\u0902\u0921\u0935\u093f\u0921\u094d\u0925 \u0915\u094b \u0938\u0902\u0930\u0915\u094d\u0937\u093f\u0924 \u0915\u0930\u0924\u093e \u0939\u0948\u0964<\/li>\n<\/ul>\n

      TTL \u0914\u0930 \u0915\u0948\u0936 \u0938\u092e\u093e\u092a\u094d\u0924\u093f<\/h2>\n

      \u091f\u093e\u0907\u092e-\u091f\u0942-\u0932\u093e\u0907\u0935 (TTL) DNS \u0915\u0948\u0936\u093f\u0902\u0917 \u092e\u0947\u0902 \u090f\u0915 \u092e\u0939\u0924\u094d\u0935\u092a\u0942\u0930\u094d\u0923 \u092a\u0948\u0930\u093e\u092e\u0940\u091f\u0930 \u0939\u0948\u0964 \u092f\u0939 \u0909\u0938 \u0905\u0935\u0927\u093f \u0915\u094b \u0928\u093f\u0930\u094d\u0926\u093f\u0937\u094d\u091f \u0915\u0930\u0924\u093e \u0939\u0948 \u091c\u093f\u0938\u0915\u0947 \u0932\u093f\u090f DNS \u0930\u093f\u0915\u0949\u0930\u094d\u0921 \u0915\u094b \u0924\u094d\u092f\u093e\u0917\u0928\u0947 \u0938\u0947 \u092a\u0939\u0932\u0947 \u0915\u0948\u0936 \u092e\u0947\u0902 \u0938\u0902\u0917\u094d\u0930\u0939\u0940\u0924 \u0915\u093f\u092f\u093e \u091c\u093e\u0928\u093e \u091a\u093e\u0939\u093f\u090f\u0964 TTL \u092e\u093e\u0928 DNS \u091c\u093c\u094b\u0928 \u092b\u093c\u093e\u0907\u0932 \u092e\u0947\u0902 \u0921\u094b\u092e\u0947\u0928 \u0935\u094d\u092f\u0935\u0938\u094d\u0925\u093e\u092a\u0915 \u0926\u094d\u0935\u093e\u0930\u093e \u0938\u0947\u091f \u0915\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948\u0964 \u092f\u0939\u093e\u0901 TTL \u0915\u0947 \u0938\u093e\u0925 DNS \u091c\u093c\u094b\u0928 \u092b\u093c\u093e\u0907\u0932 \u092a\u094d\u0930\u0935\u093f\u0937\u094d\u091f\u093f \u0915\u093e \u090f\u0915 \u0909\u0926\u093e\u0939\u0930\u0923 \u0926\u093f\u092f\u093e \u0917\u092f\u093e \u0939\u0948:<\/p>\n

      example.com.    3600    IN    A    192.0.2.1\n<\/code><\/pre>\n
      \u0907\u0938 \u0909\u0926\u093e\u0939\u0930\u0923 \u092e\u0947\u0902, TTL \u0915\u094b 3600 \u0938\u0947\u0915\u0902\u0921 (1 \u0918\u0902\u091f\u093e) \u092a\u0930 \u0938\u0947\u091f \u0915\u093f\u092f\u093e \u0917\u092f\u093e \u0939\u0948\u0964 \u0907\u0938 \u0905\u0935\u0927\u093f \u0915\u0947 \u092c\u093e\u0926, \u0915\u0948\u0936\u094d\u0921 \u0930\u093f\u0915\u0949\u0930\u094d\u0921 \u0938\u092e\u093e\u092a\u094d\u0924 \u0939\u094b \u091c\u093e\u0924\u093e \u0939\u0948, \u0914\u0930 \u090f\u0915 \u0928\u0908 DNS \u0915\u094d\u0935\u0947\u0930\u0940 \u0915\u0940 \u0906\u0935\u0936\u094d\u092f\u0915\u0924\u093e \u0939\u094b\u0924\u0940 \u0939\u0948\u0964<\/p>\n
      \u0924\u093e\u0932\u093f\u0915\u093e: \u0938\u093e\u092e\u093e\u0928\u094d\u092f TTL \u092e\u093e\u0928 \u0914\u0930 \u0909\u0928\u0915\u0947 \u0909\u092a\u092f\u094b\u0917 \u0915\u0947 \u092e\u093e\u092e\u0932\u0947<\/h3>\n\n\n\n\n\n\n\n
      \u091f\u0940\u091f\u0940\u090f\u0932 (\u0938\u0947\u0915\u0902\u0921)<\/th>\n\u0909\u0926\u093e\u0939\u0930\u0923<\/th>\n<\/tr>\n<\/thead>\n
      300<\/td>\n\u092c\u093e\u0930-\u092c\u093e\u0930 \u092c\u0926\u0932\u0924\u0947 \u0930\u093f\u0915\u0949\u0930\u094d\u0921 (\u091c\u0948\u0938\u0947, \u0932\u094b\u0921 \u092c\u0948\u0932\u0947\u0902\u0938\u0930)<\/td>\n<\/tr>\n
      3600<\/td>\n\u0905\u0927\u093f\u0915\u093e\u0902\u0936 \u0930\u093f\u0915\u0949\u0930\u094d\u0921 \u0915\u0947 \u0932\u093f\u090f \u092e\u093e\u0928\u0915<\/td>\n<\/tr>\n
      86400<\/td>\n\u0905\u0928\u093f\u092f\u092e\u093f\u0924 \u092a\u0930\u093f\u0935\u0930\u094d\u0924\u0928\u094b\u0902 \u0935\u093e\u0932\u0947 \u0938\u094d\u0925\u093f\u0930 \u0930\u093f\u0915\u0949\u0930\u094d\u0921<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
      DNS \u0915\u0948\u0936\u093f\u0902\u0917 \u0915\u093e \u0905\u0928\u0941\u0915\u0942\u0932\u0928<\/h2>\n
      DNS \u0915\u0948\u0936\u093f\u0902\u0917 \u0915\u094b \u0905\u0928\u0941\u0915\u0942\u0932\u093f\u0924 \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f, \u0928\u093f\u092e\u094d\u0928\u0932\u093f\u0916\u093f\u0924 \u0938\u0930\u094d\u0935\u094b\u0924\u094d\u0924\u092e \u092a\u094d\u0930\u0925\u093e\u0913\u0902 \u092a\u0930 \u0935\u093f\u091a\u093e\u0930 \u0915\u0930\u0947\u0902:<\/p>\n
        \n
      1. \n
        \u0909\u092a\u092f\u0941\u0915\u094d\u0924 TTL \u092e\u093e\u0928 \u0938\u0947\u091f \u0915\u0930\u0947\u0902<\/strong>: \u0915\u0948\u0936\u093f\u0902\u0917 \u0915\u0947 \u0932\u093e\u092d\u094b\u0902 \u0915\u0947 \u0938\u093e\u0925 \u0928\u090f \u0921\u0947\u091f\u093e \u0915\u0940 \u0906\u0935\u0936\u094d\u092f\u0915\u0924\u093e \u0915\u094b \u0938\u0902\u0924\u0941\u0932\u093f\u0924 \u0915\u0930\u0947\u0902\u0964 \u0917\u0924\u093f\u0936\u0940\u0932 \u0938\u093e\u092e\u0917\u094d\u0930\u0940 \u0915\u0947 \u0932\u093f\u090f \u091b\u094b\u091f\u0947 TTL \u0914\u0930 \u0938\u094d\u0925\u093f\u0930 \u0938\u0902\u0938\u093e\u0927\u0928\u094b\u0902 \u0915\u0947 \u0932\u093f\u090f \u0932\u0902\u092c\u0947 TTL \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0915\u0930\u0947\u0902\u0964<\/p>\n<\/li>\n
      2. \n
        DNS \u092a\u094d\u0930\u0940\u092b\u093c\u0947\u091a\u093f\u0902\u0917 \u0915\u093e \u0932\u093e\u092d \u0909\u0920\u093e\u090f\u0901<\/strong>: \u092c\u094d\u0930\u093e\u0909\u091c\u093c\u0930\u094b\u0902 \u0915\u094b DNS \u092a\u094d\u0930\u0935\u093f\u0937\u094d\u091f\u093f\u092f\u094b\u0902 \u0915\u094b \u092a\u094d\u0930\u0940\u092b\u093c\u0947\u091a \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u092a\u094d\u0930\u094b\u0924\u094d\u0938\u093e\u0939\u093f\u0924 \u0915\u0930\u0947\u0902 <link rel=\"dns-prefetch\"><\/code> HTML \u0926\u0938\u094d\u0924\u093e\u0935\u0947\u091c\u093c\u094b\u0902 \u092e\u0947\u0902 \u091f\u0948\u0917\u0964 \u0907\u0938\u0938\u0947 \u092c\u093e\u0939\u0930\u0940 \u0938\u0902\u0938\u093e\u0927\u0928\u094b\u0902 \u0915\u0947 \u0932\u093f\u090f \u0935\u093f\u0932\u0902\u092c\u0924\u093e \u0915\u092e \u0939\u094b \u0938\u0915\u0924\u0940 \u0939\u0948\u0964<\/p>\n<\/li>\n
      3. \n
        DNS \u0930\u093f\u0915\u0949\u0930\u094d\u0921\u094d\u0938 \u0915\u0940 \u0928\u093f\u0917\u0930\u093e\u0928\u0940 \u0915\u0930\u0947\u0902 \u0914\u0930 \u0909\u0928\u094d\u0939\u0947\u0902 \u0905\u092a\u0921\u0947\u091f \u0915\u0930\u0947\u0902<\/strong>DNS \u0930\u093f\u0915\u0949\u0930\u094d\u0921\u094d\u0938 \u0915\u0947 \u092a\u094d\u0930\u0926\u0930\u094d\u0936\u0928 \u0915\u0940 \u0928\u093f\u092f\u092e\u093f\u0924 \u0928\u093f\u0917\u0930\u093e\u0928\u0940 \u0915\u0930\u0947\u0902 \u0914\u0930 \u0907\u0937\u094d\u091f\u0924\u092e \u0915\u0948\u0936\u093f\u0902\u0917 \u0935\u094d\u092f\u0935\u0939\u093e\u0930 \u0938\u0941\u0928\u093f\u0936\u094d\u091a\u093f\u0924 \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0909\u0928\u094d\u0939\u0947\u0902 \u0906\u0935\u0936\u094d\u092f\u0915\u0924\u093e\u0928\u0941\u0938\u093e\u0930 \u0905\u092a\u0921\u0947\u091f \u0915\u0930\u0947\u0902\u0964<\/p>\n<\/li>\n
      4. \n
        \u0935\u093f\u0936\u094d\u0935\u0938\u0928\u0940\u092f DNS \u092a\u094d\u0930\u0926\u093e\u0924\u093e \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0915\u0930\u0947\u0902<\/strong>\u0935\u093f\u0932\u0902\u092c\u0924\u093e \u0915\u094b \u0928\u094d\u092f\u0942\u0928\u0924\u092e \u0915\u0930\u0928\u0947 \u0914\u0930 \u0905\u092a\u091f\u093e\u0907\u092e \u0915\u094b \u0905\u0927\u093f\u0915\u0924\u092e \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u092e\u091c\u092c\u0942\u0924 \u0915\u0948\u0936\u093f\u0902\u0917 \u0905\u0935\u0938\u0902\u0930\u091a\u0928\u093e \u0935\u093e\u0932\u0947 DNS \u092a\u094d\u0930\u0926\u093e\u0924\u093e \u0915\u093e \u091a\u092f\u0928 \u0915\u0930\u0947\u0902\u0964<\/p>\n<\/li>\n<\/ol>\n
        \u0928\u093f\u0937\u094d\u0915\u0930\u094d\u0937<\/h2>\n
        DNS \u0915\u0948\u0936\u093f\u0902\u0917 \u0907\u0902\u091f\u0930\u0928\u0947\u091f \u0915\u0947 \u092c\u0941\u0928\u093f\u092f\u093e\u0926\u0940 \u0922\u093e\u0902\u091a\u0947 \u0915\u093e \u090f\u0915 \u092e\u0939\u0924\u094d\u0935\u092a\u0942\u0930\u094d\u0923 \u0918\u091f\u0915 \u0939\u0948, \u091c\u094b \u092a\u094d\u0930\u0926\u0930\u094d\u0936\u0928 \u0914\u0930 \u0935\u093f\u0936\u094d\u0935\u0938\u0928\u0940\u092f\u0924\u093e \u0926\u094b\u0928\u094b\u0902 \u0915\u094b \u092c\u0922\u093c\u093e\u0924\u093e \u0939\u0948\u0964 DNS \u0915\u0948\u0936\u093f\u0902\u0917 \u0924\u0902\u0924\u094d\u0930 \u0915\u094b \u0938\u092e\u091d\u0915\u0930 \u0914\u0930 \u0909\u0938\u0915\u093e \u0905\u0928\u0941\u0915\u0942\u0932\u0928 \u0915\u0930\u0915\u0947, \u0935\u0947\u092c\u0938\u093e\u0907\u091f \u092a\u094d\u0930\u0936\u093e\u0938\u0915 \u0924\u0947\u091c\u093c \u0932\u094b\u0921 \u0938\u092e\u092f, \u0915\u092e \u0938\u0930\u094d\u0935\u0930 \u0932\u094b\u0921 \u0914\u0930 \u092c\u0947\u0939\u0924\u0930 \u0909\u092a\u092f\u094b\u0917\u0915\u0930\u094d\u0924\u093e \u0905\u0928\u0941\u092d\u0935 \u0938\u0941\u0928\u093f\u0936\u094d\u091a\u093f\u0924 \u0915\u0930 \u0938\u0915\u0924\u0947 \u0939\u0948\u0902\u0964 \u091c\u0948\u0938\u0947-\u091c\u0948\u0938\u0947 \u0921\u093f\u091c\u093f\u091f\u0932 \u092a\u0930\u093f\u0926\u0943\u0936\u094d\u092f \u0935\u093f\u0915\u0938\u093f\u0924 \u0939\u094b\u0924\u093e \u091c\u093e \u0930\u0939\u093e \u0939\u0948, DNS \u0909\u0928\u094d\u0928\u0924\u093f \u0914\u0930 \u0938\u0930\u094d\u0935\u094b\u0924\u094d\u0924\u092e \u092a\u094d\u0930\u0925\u093e\u0913\u0902 \u0915\u0947 \u092c\u093e\u0930\u0947 \u092e\u0947\u0902 \u091c\u093e\u0928\u0915\u093e\u0930\u0940 \u0930\u0916\u0928\u093e \u0911\u0928\u0932\u093e\u0907\u0928 \u092a\u094d\u0930\u0924\u093f\u0938\u094d\u092a\u0930\u094d\u0927\u093e\u0924\u094d\u092e\u0915 \u092c\u0922\u093c\u0924 \u092c\u0928\u093e\u090f \u0930\u0916\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0906\u0935\u0936\u094d\u092f\u0915 \u092c\u0928\u093e \u0930\u0939\u0947\u0917\u093e\u0964<\/p>","protected":false},"excerpt":{"rendered":"
        The Domain Name System (DNS) is the backbone of the internet, translating human-readable domain names into IP addresses that computers use to communicate with each other. To improve efficiency and speed up the DNS resolution process, caching mechanisms are employed at various levels of the DNS hierarchy. This article delves into the intricacies of DNS […]<\/p>\n","protected":false},"author":2,"featured_media":709,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[4],"tags":[424,422,184,22,17,335,400,30,421,152,19,20,264,423,26,359],"class_list":["post-708","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-articles","tag-cache-management","tag-cache-poisoning","tag-caching","tag-cybersecurity","tag-dns","tag-dns-caching","tag-dns-lookup","tag-dns-records","tag-dns-resolver","tag-dns-server","tag-internet","tag-networking","tag-performance","tag-query","tag-technology","tag-ttl"],"acf":[],"_links":{"self":[{"href":"https:\/\/dnscompetition.in\/hi\/wp-json\/wp\/v2\/posts\/708","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dnscompetition.in\/hi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dnscompetition.in\/hi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dnscompetition.in\/hi\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/dnscompetition.in\/hi\/wp-json\/wp\/v2\/comments?post=708"}],"version-history":[{"count":0,"href":"https:\/\/dnscompetition.in\/hi\/wp-json\/wp\/v2\/posts\/708\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dnscompetition.in\/hi\/wp-json\/wp\/v2\/media\/709"}],"wp:attachment":[{"href":"https:\/\/dnscompetition.in\/hi\/wp-json\/wp\/v2\/media?parent=708"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dnscompetition.in\/hi\/wp-json\/wp\/v2\/categories?post=708"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dnscompetition.in\/hi\/wp-json\/wp\/v2\/tags?post=708"}],"curies":[{"name":"\u0921\u092c\u094d\u0932\u094d\u092f\u0942\u092a\u0940","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}