diff --git a/doc/arm/Bv9ARM-book.xml b/doc/arm/Bv9ARM-book.xml index fa1f3797b4..d23f1a55dd 100644 --- a/doc/arm/Bv9ARM-book.xml +++ b/doc/arm/Bv9ARM-book.xml @@ -2,7 +2,7 @@ - + BIND 9 Administrator Reference Manual @@ -1877,7 +1877,7 @@ a DNS name, for example "my.test.domain". dotted_decimal -One or more integers valued 0 through +One to four integers valued 0 through 255 separated by dots (`.'), such as 123, 45.67 or 89.123.45.67. @@ -4824,8 +4824,7 @@ and implemented in the DNS. These are also included. type an encoded 16 bit value that specifies -the type of the resource in this resource record. Types refer to -abstract resources. +the type of the resource record. TTL @@ -4841,14 +4840,12 @@ a protocol family or instance of a protocol. RDATA -the type and sometimes class-dependent -data that describes the resource. +the resource data. The format of the +data is type (and sometimes class) specific. -The following are types of valid RRs -(some of these listed, although not obsolete, are experimental (x) -or historical (h) and no longer in general use): +The following are types of valid RRs: @@ -4857,19 +4854,22 @@ or historical (h) and no longer in general use): A -a host address. +a host address. In the IN class, this is a +32-bit IP address. A6 -an IPv6 address. +an IPv6 address. This can be a partial +address (a suffix) and an indirection to the name where the rest of the +address (the prefix) can be found. AAAA -Obsolete format of IPv6 address +obsolete format of IPv6 address AFSDB -(x) location of AFS database servers. +location of AFS database servers. Experimental. @@ -4878,9 +4878,11 @@ Experimental. DNAME -for delegation of reverse addresses. -Replaces the domain name specified with another name to be looked -up. Described in RFC 2672. +Replaces the domain name specified with +another name to be looked up, effectively aliasing an entire +subtree of the domain name space rather than a single record +as in the case of the CNAME RR. Used for delegation +of IPv6 reverse mappings. Described in RFC 2672. HINFO @@ -4888,7 +4890,7 @@ up. Described in RFC 2672. ISDN -(x) representation of ISDN addresses. +representation of ISDN addresses. Experimental. @@ -4898,12 +4900,14 @@ DNS name. LOC -(x) for storing GPS info. See RFC 1876. +for storing GPS info. See RFC 1876. Experimental. MX identifies a mail exchange for the domain. +a 16 bit preference value (lower is better) +followed by the host name of the mail exchange. See RFC 974 for details. @@ -4925,12 +4929,12 @@ name space. RP -(x) information on persons responsible +information on persons responsible for the domain. Experimental. RT -(x) route-through binding for hosts that +route-through binding for hosts that do not have their own direct wide area network addresses. Experimental. @@ -4949,13 +4953,13 @@ services (replaces WKS). WKS -(h) information about which well known -network services, such as SMTP, that a domain supports. Historical, -replaced by newer RR SRV. +information about which well known +network services, such as SMTP, that a domain supports. Historical. + X25 -(x) representation of X.25 network addresses. Experimental. +representation of X.25 network addresses. Experimental. @@ -4966,63 +4970,35 @@ are currently valid in the DNS: + IN -the Internet system. +The Internet. + -For information about other, -older classes of RRs, see . - - - -RDATA is the type-dependent or class-dependent -data that describes the resource: - - - - -A -for the IN class, a 32 bit IP address. - - -A6 -maps a domain name to an IPv6 address, -with a provision for indirection for leading "prefix" bits. - - -CNAME -a domain name. - - -DNAME -provides alternate naming to an entire -subtree of the domain name space, rather than to a single node. - It causes some suffix of a queried name to be substituted with -a name from the DNAME record's RDATA. - - -MX -a 16 bit preference value (lower is better) -followed by a host name willing to act as a mail exchange for the -owner domain. - - -NS -a fully qualified domain name. - - -PTR -a fully qualified domain name. - - -SOA -several fields. +CH + +CHAOSnet, a LAN protocol created at MIT in the mid-1970s. +Rarely used for its historical purpose, but reused for BIND's +built-in server information zones, e.g., +version.bind. + + + +HS + +Hesiod, an information service +developed by MIT's Project Athena. It is used to share information +about various systems databases, such as users, groups, printers +and so on. + + + + The owner name is often implicit, rather than forming an integral part of the RR. For example, many name servers internally form tree or hash structures for the name space, and chain RRs off nodes. @@ -5620,28 +5596,9 @@ of several corporations, and by the tireless work efforts of numerous individuals. - - Historical <acronym>DNS</acronym> Information - - Classes of Resource Records - - HS = hesiod - The hesiod class is an information service -developed by MIT's Project Athena. It is used to share information -about various systems databases, such as users, groups, printers -and so on. The keyword hs is a synonym for -hesiod. - - - CH = chaos - The chaos class is used to specify zone -data for the MIT-developed CHAOSnet, a LAN protocol created in the -mid-1970s. - - - - - General <acronym>DNS</acronym> Reference Information + + +General <acronym>DNS</acronym> Reference Information IPv6 addresses (A6) IPv6 addresses are 128-bit identifiers for interfaces and