rfc1035.4up.ps

this gives details of the network programming

(superset of TYPEs, hence all TYPEs are valid QTYPEs.  In addition, the) s
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(following QTYPEs are defined:) s
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(Mockapetris                                                    [Page 12]) s
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/pagenumstr (13) def
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(RFC 1035        Domain Implementation and Specification    November 1987) s
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(AXFR            252 A request for a transfer of an entire zone) s
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(MAILB           253 A request for mailbox-related records \(MB, MG or MR\)) s
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(MAILA           254 A request for mail agent RRs \(Obsolete - see MX\)) s
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(*               255 A request for all records) s
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(3.2.4. CLASS values) s
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(CLASS fields appear in resource records.  The following CLASS mnemonics) s
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(and values are defined:) s
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(IN              1 the Internet) s
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(CS              2 the CSNET class \(Obsolete - used only for examples in) s
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(                some obsolete RFCs\)) s
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(CH              3 the CHAOS class) s
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(HS              4 Hesiod [Dyer 87]) s
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(3.2.5. QCLASS values) s
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(QCLASS fields appear in the question section of a query.  QCLASS values) s
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(are a superset of CLASS values; every CLASS is a valid QCLASS.  In) s
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(addition to CLASS values, the following QCLASSes are defined:) s
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(*               255 any class) s
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(3.3. Standard RRs) s
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(The following RR definitions are expected to occur, at least) s
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(potentially, in all classes.  In particular, NS, SOA, CNAME, and PTR) s
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(will be used in all classes, and have the same format in all classes.) s
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(Because their RDATA format is known, all domain names in the RDATA) s
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(section of these RRs may be compressed.) s
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(<domain-name> is a domain name represented as a series of labels, and) s
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(terminated by a label with zero length.  <character-string> is a single) s
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(length octet followed by that number of characters.  <character-string>) s
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(is treated as binary information, and can be up to 256 characters in) s
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(length \(including the length octet\).) s
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(Mockapetris                                                    [Page 13]) s
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/ftail (rfc1035.txt) def
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/pagenumstr (14) def
/user_header_p true def
/user_header_left_str (RFC1035) def
/user_header_center_str (RFC.net) def
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(RFC 1035        Domain Implementation and Specification    November 1987) s
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(3.3.1. CNAME RDATA format) s
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(    +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+) s
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(    /                     CNAME                     /) s
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(    /                                               /) s
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(    +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+) s
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(where:) s
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(CNAME           A <domain-name> which specifies the canonical or primary) s
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(                name for the owner.  The owner name is an alias.) s
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(CNAME RRs cause no additional section processing, but name servers may) s
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(choose to restart the query at the canonical name in certain cases.  See) s
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(the description of name server logic in [RFC-1034] for details.) s
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(3.3.2. HINFO RDATA format) s
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(    +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+) s
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(    /                      CPU                      /) s
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(    +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+) s
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(    /                       OS                      /) s
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(    +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+) s
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(where:) s
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(CPU             A <character-string> which specifies the CPU type.) s
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(OS              A <character-string> which specifies the operating) s
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(                system type.) s
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(Standard values for CPU and OS can be found in [RFC-1010].) s
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(HINFO records are used to acquire general information about a host.  The) s
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(main use is for protocols such as FTP that can use special procedures) s
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(when talking between machines or operating systems of the same type.) s
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(3.3.3. MB RDATA format \(EXPERIMENTAL\)) s
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(    +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+) s
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(    /                   MADNAME                     /) s
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(    /                                               /) s
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(    +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+) s
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(where:) s
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(MADNAME         A <domain-name> which specifies a host which has the) s
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(                specified mailbox.) s
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(Mockapetris                                                    [Page 14]) s
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% User defined strings:
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/pagenumstr (15) def
/user_header_p true def
/user_header_left_str (RFC1035) def
/user_header_center_str (RFC.net) def
/user_header_right_str (Page 15 of 56) def
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(RFC 1035        Domain Implementation and Specification    November 1987) s
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(MB records cause additional section processing which looks up an A type) s
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(RRs corresponding to MADNAME.) s
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(3.3.4. MD RDATA format \(Obsolete\)) s
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(    +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+) s
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(    /                   MADNAME                     /) s
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(    /                                               /) s
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(    +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+) s
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(where:) s
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(MADNAME         A <domain-name> which specifies a host which has a mail) s
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(                agent for the domain which should be able to deliver) s
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(                mail for the domain.) s
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(MD records cause additional section processing which looks up an A type) s
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(record corresponding to MADNAME.) s
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(MD is obsolete.  See the definition of MX and [RFC-974] for details of) s
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(the new scheme.  The recommended policy for dealing with MD RRs found in) s
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(a master file is to reject them, or to convert them to MX RRs with a) s
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(preference of 0.) s
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(3.3.5. MF RDATA format \(Obsolete\)) s
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(    +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+) s
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(    /                   MADNAME                     /) s
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(    /                                               /) s
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(    +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+) s
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(where:) s
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(MADNAME         A <domain-name> which specifies a host which has a mail) s
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(                agent for the domain which will accept mail for) s
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(                forwarding to the domain.) s
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(MF records cause additional section processing which looks up an A type) s
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(record corresponding to MADNAME.) s
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(MF is obsolete.  See the definition of MX and [RFC-974] for details ofw) s
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(the new scheme.  The recommended policy for dealing with MD RRs found in) s
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(a master file is to reject them, or to convert them to MX RRs with a) s
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(preference of 10.) s
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(Mockapetris                                                    [Page 15]) s
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(RFC 1035        Domain Implementation and Specification    November 1987) s
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(3.3.6. MG RDATA format \(EXPERIMENTAL\)) s
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(    +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+) s
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(    /                   MGMNAME                     /) s
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(    /                                               /) s
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(    +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+) s
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(where:) s
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(MGMNAME         A <domain-name> which specifies a mailbox which is a) s
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(                member of the mail group specified by the domain name.) s
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(MG records cause no additional section processing.) s
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(3.3.7. MINFO RDATA format \(EXPERIMENTAL\)) s
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(    +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+) s
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(    /                    RMAILBX                    /) s
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(    +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+) s
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(    /                    EMAILBX                    /) s
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(    +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+) s
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(where:) s
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(RMAILBX         A <domain-name> which specifies a mailbox which is) s
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(                responsible for the mailing list or mailbox.  If this) s
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(                domain name names the root, the owner of the MINFO RR is) s
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(                responsible for itself.  Note that many existing mailing) s
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(                lists use a mailbox X-request for the RMAILBX field of) s
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(                mailing list X, e.g., Msgroup-request for Msgroup.  This) s
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(                field provides a more general mechanism.) s
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(EMAILBX         A <domain-name> which specifies a mailbox which is to) s
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(                receive error messages related to the mailing list or) s
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(                mailbox specified by the owner of the MINFO RR \(similar) s
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(                to the ERRORS-TO: field which has been proposed\).  If) s
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(                this domain name names the root, errors should be) s
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(                returned to the sender of the message.) s
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(MINFO records cause no additional section processing.  Although these) s
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(records can be associated with a simple mailbox, they are usually used) s
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(with a mailing list.) s
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(Mockapetris                                                    [Page 16]) s
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% User defined strings:
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(RFC 1035        Domain Implementation and Specification    November 1987) s
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(3.3.8. MR RDATA format \(EXPERIMENTAL\)) s
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(    +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+) s
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(    /                   NEWNAME                     /) s
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(    /                                               /) s
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(    +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+) s
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(where:) s
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(NEWNAME         A <domain-name> which specifies a mailbox which is the) s
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(                proper rename of the specified mailbox.) s
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(MR records cause no additional section processing.  The main use for MR) s
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(is as a forwarding entry for a user who has moved to a different) s
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(mailbox.) s
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