RFC 1637:DNS NSAP Resource Records
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RR


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... This document defines the format of one new Resource Record (RR) for the DNS for domain name ...
... DNS for domain name-to-NSAP mapping. The RR may be used with any NSAP address format. ...
... NSAP-to-name translation is accomplished through use of the PTR RR (see RFC 1035std13 for a description of the PTR RR ...
... RR (see RFC 1035std13 for a description of the PTR RR). This paper describes how PTR RRs are used to support this translation. ...
... 1035std13 for a description of the PTR RR). This paper describes how PTR RRs are used to support this translation. This memo assumes that the reader is familiar with the DNS ...


... In the NSAP RRs in Master Files and in the printed text in this memo, NSAPs are often represented as a string of "."-separated hex values. ...


... The NSAP RR ...
... The NSAP RR is defined with mnemonic "NSAP" and TYPE code ...
... mapping in the DNS using the NSAP RR operates analogously to IP address lookup. A query ...
... query is generated by the resolver requesting an NSAP RR for a provided domain name. ...
... NSAP RRs conform to the top level RR format and semantics ...
... NSAP RRs conform to the top level RR format and semantics as defined in Section 3.2.1 of RFC 1035std13 ...
... * TYPE: two octets containing the NSAP RR TYPE code of 22 (decimal). ...
... * CLASS: two octets containing the RR IN CLASS code of 1. ...
... resource record may be cached before the source of the information should again be consulted. Zero values are interpreted to mean that the RR can only be used for the transaction in progress, and should not be cached. For example, ...


... NSAP-to-name Mapping Using the PTR RR ...
... The PTR RR is defined in RFC 1035std13. This RR is typically used under ...
... The PTR RR is defined in RFC 1035std13. This RR is typically used under the "IN-ADDR.ARPA" domain ...
... domain names. Similarly, the PTR RR is used to map from NSAPs to domain names under ...
... according to the rules described below. A query is sent by the resolver requesting a PTR RR for the provided domain name. ...


... The format of NSAP RRs (and NSAP-related PTR RRs) in Master Files ...
... NSAP RRs (and NSAP-related PTR RRs) in Master Files conforms to Section 5, "Master Files," of RFC 1035std13. Below are ...
... conforms to Section 5, "Master Files," of RFC 1035std13. Below are examples of the use of these RRs in Master Files to support name-to- NSAP and NSAP ...
... The NSAP RR introduces a new hex string format for the RDATA field. The format is "0x" (i.e., a zero followed by an 'x' character) ...



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