ICANN – Internet Corporation for Assigned Names and Numbers
ICANN – Internet Corporation for Assigned Names and Numbers – was formed in 1998. It is a not-for-profit partnership of people from all over the
ICANN – Internet Corporation for Assigned Names and Numbers – was formed in 1998. It is a not-for-profit partnership of people from all over the
Internet Assigned Numbers Authority is the organization that oversees the allocation of IP addresses to internet service providers (ISPs) → Protocol management : maintains over
is an encryption-based Internet security protocol. It was first developed by Netscape in 1995 for the purpose of ensuring privacy, authentication, and data integrity in
DNS records : DNS records are the information about that domain and server like Nameservers, IP’s Sl. No. Record name Used for particular value: TTL (i)
(i) Recursive DNS queries : web browser → recursive server, (ii) Iterative DNS queries : Query send to one after one server to find the
These are used to resolve DNS query(domain→ ip) one by one if early stage fails goes next (i). Recursive server : DNS Database maintained by
Web Domain types : (i) Generic domains → ex: com,biz,tech (ii) Country domains – country specific → ex : .in (iii) Inverse domain → from
When user enters a web address → Browser sends a message(recursive DNS query) to the network to find out which IP corresponding to it recursive
DNS is naming database in which internet domain names are located and translated into Internet Protocol (IP) addresses. Process of a DNS resolution : When