وفّر 50٪ من خلال الاشتراك السنوي في مجرة واحصل على تصفح لا محدود لأفضل محتوى عربي على الإنترنت.
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عبارة عن نظام يسمح لمستخدمي الإنترنت باكتشاف مواقع الويب من خلال عناوين نصية مقروءة من قبل البشر يُطلق عليها "اسم النطاق" من خلال ترجمتها إلى عناوين بروتوكول الإنترنت (IP) تفهمها الحواسيب. تتواصل متصفحات الويب مع خوادم المواقع المختلفة من خلال عناوين آي بي، فلكل جهاز على الإنترنت عنوان آي بي فريد سواءً كان حاسوب شخصي أو هاتف ذكي أو خادم أي كان نوعه. لذلك تهدف خوادم دي إن إس (DNS) إلى تحويل تلك العناوين العددية من أرقام إلى نصوص ليسهُل على المستخدمين حفظها، فمن الأسهل حفظ “www.google.com” بدلاً من حفظ العنوان العددي "216.58.211.174" الخاص بالموقع.
لا تقتصر استخدامات نظام اسم النطاق على ترجمة عناوين المواقع النصية إلى عناوين آي بي وبالعكس، إنما يستخدم في توجيه الرسائل إلى خوادم البريد الإلكتروني، بالإضافة إلى الربط بين خوادم التطبيقات وقواعد البيانات والبرمجيات الوسيطة الخاصة بتطبيقات الويب، وفي الألعاب الجماعية عبر الإنترنت والتراسل المباشر والاتصال بين الأجهزة والبوابات والخوادم في شبكات إنترنت الأشياء والكثير غيرها.
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