diff --git a/doc/arm/Bv9ARM-book.xml b/doc/arm/Bv9ARM-book.xml index 932e74ae09..b89fcb5a6f 100644 --- a/doc/arm/Bv9ARM-book.xml +++ b/doc/arm/Bv9ARM-book.xml @@ -2,7 +2,7 @@ - + @@ -163,18 +163,22 @@ start. Zones usually represent administrative boundaries. For example, a domain name for a host at the company Example, Inc. would be: ourhost.example.com -where com is the top level domain to which ourhost.example.com belongs, example is -a subdomain of com, and ourhost is the +where com is the top level domain to which +ourhost.example.com belongs, +example is +a subdomain of com, and +ourhost is the name of the host. The specifications for the domain nameserver are defined in the RFC 1034, RFC 1035 and RFC 974. These documents can be found in /usr/src/etc/named/doc in 4.4BSD or are available via File Transfer Protocol (FTP) from -ftp://www.isi.edu/in-notes/ or via the Web at http://www.ietf.org/rfc/. +ftp://www.isi.edu/in-notes/ +or via the Web at http://www.ietf.org/rfc/. (See Appendix C for complete information on finding and retrieving -RFCs.) It is also recommended that you read the related man pages: named and resolver. +RFCs.) It is also recommended that you read the related man pages: +named and resolver. Types of Zones As we stated previously, a zone is a point of delegation in the DNS tree. A zone consists of those contiguous parts of the domain @@ -187,9 +191,12 @@ the root of the delegated zone. To properly operate a nameserver, it is important to understand the difference between a zone and a domain. For instance, consider the example.com domain -which includes names such as host.aaa.example.com and host.bbb.example.com even -though the example.com zone includes only delegations -for the aaa.example.com and bbb.example.com zones. +which includes names such as host.aaa.example.com +and host.bbb.example.com even +though the example.com +zone includes only delegations for the +aaa.example.com +and bbb.example.com zones. A zone can map exactly to a single domain, but could also include only part of a domain, the rest of which could be delegated to other nameservers. Every name in the DNS tree is a domain, @@ -500,8 +507,9 @@ of the time: will use the first record returned and discard the rest. For more detail on ordering responses, check the rrset-order substatement in the - options statement, see . This substatement is not supported in + options statement, see + . + This substatement is not supported in BIND 9, and only the ordering scheme described above is available.