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DNS zone transfer, also sometimes known by the inducing DNS query type AXFR, is a type of DNS transaction. It is one of the many mechanisms available for administrators to replicate DNS databases across a set of DNS servers .
The SOA record for a zone contains data to control the zone transfer. This is the serial number and different timespans. It also contains the email address of the responsible person for this zone, as well as the name of the primary master name server. Usually the SOA record is located at the top of the zone. A zone without a SOA record does not ...
The format of a zone file is defined in RFC 1035 (section 5) and RFC 1034 (section 3.6.1). This format was originally used by the Berkeley Internet Name Domain (BIND) software package, but has been widely adopted by other DNS server software – though some of them (e.g. NSD, PowerDNS) are using the zone files only as a starting point to compile them into database format, see also Microsoft ...
In 2019, RFC8482 [14] standards-track publication led many DNS providers, including Cloudflare, [15] to provide only minimal responses to "ANY" queries, instead of enumerating records. AXFR: 252 RFC 1035 [1] Authoritative Zone Transfer Transfer entire zone file from the primary name server to secondary name servers.
Windows DNS Server [12] component of Microsoft DNS. The same software can be configured to support authoritative, recursive and hybrid mode. The software is integrated with Active Directory which makes it the default DNS software for many enterprise networks that are based on Active Directory. It also allows creating zones by the standard DNS ...
RPZ allows a DNS recursive resolver to choose specific actions to be performed for a number of collections of domain name data (zones). For each zone, the DNS service may choose to perform full resolution (normal behaviour), or other actions, including declaring that the requested domain does not exist (technically, NXDOMAIN), or that the user should visit a different domain (technically ...
It is identified in the start-of-authority (SOA) resource record. A secondary server for a zone uses an automatic updating mechanism to maintain an identical copy of the primary server's database for a zone. Examples of such mechanisms include DNS zone transfers and file transfer protocols. DNS provides a mechanism whereby the primary for a ...
A DNS zone is an administrative space allowing more granular control of the DNS components, such as authoritative nameserver. The DNS is broken up into different zones, distinctly managed areas in the DNS namespace. DNS zones are not necessarily physically separated from one another; however, a DNS zone can contain multiple subdomains, and ...