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A DNS name server is a server that stores the DNS records for a domain; a DNS name server responds with answers to queries against its database. The most common types of records stored in the DNS database are for start of authority ( SOA ), IP addresses ( A and AAAA ), SMTP mail exchangers (MX), name servers (NS), pointers for reverse DNS ...
Used to provide status information about a zone. Requested for the IETF draft "The Zone Status (ZS) DNS Resource Record" in 2008. Expired without adoption. [21] RKEY 57 — Used for encryption of NAPTR records. Requested for the IETF draft "The RKEY DNS Resource Record" in 2008. Expired without adoption. [22] TALINK 58 —
Internet Protocol version 4 (IPv4) was the first standalone specification for the IP address, and has been in use since 1983. [2] IPv4 addresses are defined as a 32-bit number, which became too small to provide enough addresses as the internet grew, leading to IPv4 address exhaustion over the 2010s.
There are two primary types of IP addresses in use today: IP version 4 (IPv4) and IP version 6 (IPv6). The former has been around since January 1983, and is still the most common. These are 32-bit ...
Internet Protocol version 4 (IPv4) is the first version of the Internet Protocol (IP) as a standalone specification. It is one of the core protocols of standards-based internetworking methods in the Internet and other packet-switched networks. IPv4 was the first version deployed for production on SATNET in 1982 and on the ARPANET in January
A previous format, called "IPv4-compatible IPv6 address", was ::192.0.2.128; however, this method is deprecated. [36] Because of the significant internal differences between IPv4 and IPv6 protocol stacks, some of the lower-level functionality available to programmers in the IPv6 stack does not work the same when used with IPv4-mapped addresses.
The Internet Assigned Numbers Authority (IANA) is a standards organization that oversees global IP address (e.g.IPV4, IPV6 but MAC Address) allocation so everyone has a unique identity (e.g. Registrar and Registrant) and will not be replicated, autonomous system number allocation, root zone management in the Domain Name System (DNS), media types, and other Internet Protocol–related symbols ...
Used for link-local addresses [5] between two hosts on a single link when no IP address is otherwise specified, such as would have normally been retrieved from a DHCP server 172.16.0.0/12 172.16.0.0–172.31.255.255 1 048 576: Private network Used for local communications within a private network [3] 192.0.0.0/24 192.0.0.0–192.0.0.255 256