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Answer : The Domain Name System (DNS) is the phonebook of the Internet…<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"passster_activate_protection":false,"passster_protect_child_pages":"","passster_protection_type":"password","passster_password":"","passster_activate_overwrite_defaults":"","passster_headline":"","passster_instruction":"","passster_placeholder":"","passster_button":"","passster_id":"","passster_activate_misc_settings":"","passster_redirect_url":"","passster_hide":"no","passster_area_shortcode":"","gtb_hide_title":false,"gtb_wrap_title":false,"gtb_class_title":"","gtb_remove_headerfooter":false,"footnotes":""},"categories":[4590],"tags":[195,5084,201,4609,360,221,203,199,363,15908,4606,205,5064,5092,5060,5063,5066,5067,5070,5075,5089,5076,5091,5071,5068,5065,5069,5088,222,362,5086,5083,5079,196,212,213,710,207,4605,366,204,217,5080,5061,5074,5073,5062,5078,288,367,483,206,5090,4608,5077,200,197,4607,5085,5081,5082,5072,5087],"class_list":["post-783","post","type-post","status-publish","format-standard","hentry","category-networking","tag-accenture-interview-questions-and-answers","tag-allow-both-tcp-and-udp-port-53-to-your-dns-servers","tag-allstate-solutions-pvt-ltd-interview-questions-and-answers","tag-applied-mate-interview-questions-and-answers","tag-atos-interview-questions-and-answers","tag-bharti-airtel-interview-questions-and-answers","tag-capgemini-interview-questions-and-answers","tag-casting-networks-india-pvt-limited-interview-questions-and-answers","tag-ciena-corporation-interview-questions-and-answers","tag-comodo-india-interview-questions-and-answers","tag-css-corp-pvt-ltd-interview-questions-and-answers","tag-dell-international-services-india-pvt-ltd-interview-questions-and-answers","tag-dn-sport","tag-dns-example","tag-dns-port","tag-dns-port-53","tag-dns-port-number","tag-dns-protocol","tag-dns-protocol-port","tag-dns-query","tag-dns-query-types-and-how-to-use-dns-in-performance-troubleshooting","tag-dns-server","tag-dns-servers-and-firewall-settings","tag-dns-tcp-or-udp","tag-dns-tcp-port","tag-dns-types","tag-dns-udp-port","tag-domain-name-system","tag-flipkart-interview-questions-and-answers","tag-hcl-technologies-interview-questions-and-answers","tag-how-dns-query-works","tag-how-do-i-configure-my-firewall-for-dns","tag-http-port","tag-ibm-interview-questions-and-answers","tag-indecomm-global-services-interview-questions-and-answers","tag-infosys-technologies-interview-questions-and-answers","tag-mavenir-interview-questions-and-answers","tag-mphasis-interview-questions-and-answers","tag-ncr-corporation-interview-questions-and-answers","tag-netapp-interview-questions-and-answers","tag-oracle-corporation-interview-questions-and-answers","tag-peoplestrong-interview-questions-and-answers","tag-port-23","tag-port-53","tag-port-53-domain","tag-port-53-vulnerabilities","tag-port-number","tag-port-number-table","tag-r-systems-interview-questions-and-answers","tag-rbs-india-development-centre-pvt-ltd-interview-questions-and-answers","tag-reliance-industries-ltd-interview-questions-and-answers","tag-sap-labs-india-pvt-ltd-interview-questions-and-answers","tag-specifying-port-settings-for-dns","tag-tata-communications-interview-questions-and-answers","tag-tcp-port-number","tag-tech-mahindra-interview-questions-and-answers","tag-unitedhealth-group-interview-questions-and-answers","tag-virtela-interview-questions-and-answers","tag-what-is-a-dns-query","tag-what-is-dns-and-how-it-works","tag-what-is-dns-server-or-protocol-port-number","tag-what-is-port-53-used-for","tag-why-dns-works-on-both-tcp-and-udp"],"yoast_head":"\n