Lines Matching refs:servers
77 operate two (or more) name servers (which may be contracted to a third party) which will contain th…
83 .. figure:: dns-servers.png
99 The **root servers** are a critical part of the DNS authoritative infrastructure. There are 13 root…
100 to *m.root-servers.net*). The number 13 is historically based on the maximum amount of name and IPv…
103 is no longer a limiting factor and all root servers now support both IPv4 and IPv6. In addition, al…
104 root servers use **anycast**, with well over
105 300 instances of the root servers now providing service worldwide (see further information at https…
106 The root servers are the starting point for all **name resolution** within the DNS.
113 they use to contact the required network resources such as web, FTP, or mail servers. The process o…
115 **resolvers** (also known as **caching name servers** and many other terms). The following diagram …
125 authoritative name servers (4, 5, and 6) to provide the answer that it then returns to the user (2,…
128 the stub resolver, the resolver, and the authoritative name servers uses the DNS protocol's query a…
157 the DNS hierarchy to obtain the answer. The resolver always starts with root servers and sends an *…
171 refers the resolver to the authoritative name servers (in the AUTHORITY section of the response) wh…
173 server to which the iterative query was sent adds a list of the **.com authoritative name servers**…
174 The resolver selects one of the servers from the AUTHORITY section and sends an
175 …y, the .com authoritative name servers send a referral containing a list of the **example.com** au…
179 .. Note:: The DNS hierarchy is always accessed starting at the root servers and working down; there…
180 …if the resolver has already cached the list of .com authoritative name servers and the user's recu…
181 …ending in .com, it can omit access to the root servers. However, that is simply an artifact (in th…
191 usually dedicate DNS servers to a single function per system, smaller operators will find that
195 Example configurations of basic :ref:`authoritative name servers<config_auth_samples>` and