DOMAIN NAME SYSTEM PARAMETERS The Internet Domain Naming System (DOMAIN) includes several parameters. These are documented in [RFC1034] and [RFC1035]. The CLASS parameter is listed here. The per CLASS parameters are defined in separate RFCs as indicated. Domain System Class: Decimal Name References -------- ---- ---------- 0 Reserved [IANA] 1 Internet (IN) [RFC1034,Mockapetris] 2 Unassigned [IANA] 3 Chaos (CH) [Mockapetris] 4 Hesiod (HS) [Mockapetris] 5-65534 Unassigned [IANA] 65535 Reserved [IANA] In the Internet (IN) class the following TYPEs and QTYPEs are defined: TYPE value and meaning A 1 a host address [RFC1035] NS 2 an authoritative name server [RFC1035] MD 3 a mail destination (Obsolete - use MX) [RFC1035] MF 4 a mail forwarder (Obsolete - use MX) [RFC1035] CNAME 5 the canonical name for an alias [RFC1035] SOA 6 marks the start of a zone of authority [RFC1035] MB 7 a mailbox domain name (EXPERIMENTAL) [RFC1035] MG 8 a mail group member (EXPERIMENTAL) [RFC1035] MR 9 a mail rename domain name (EXPERIMENTAL)[RFC1035] NULL 10 a null RR (EXPERIMENTAL) [RFC1035] WKS 11 a well known service description [RFC1035] PTR 12 a domain name pointer [RFC1035] HINFO 13 host information [RFC1035] MINFO 14 mailbox or mail list information [RFC1035] MX 15 mail exchange [RFC1035] TXT 16 text strings [RFC1035] RP 17 for Responsible Person [RFC1183] AFSDB 18 for AFS Data Base location [RFC1183] X25 19 for X.25 PSDN address [RFC1183] ISDN 20 for ISDN address [RFC1183] RT 21 for Route Through [RFC1183] NSAP 22 for NSAP address, NSAP style A record [RFC1706] NSAP-PTR 23 SIG 24 for security signature [Eastlake] KEY 25 for security key [Eastlake] PX 26 X.400 mail mapping information [RFC1664] GPOS 27 Geographical Position [RFC1712] AAAA 28 IP6 Address [Thomson] LOC 29 Location Information [Vixie] NXT 30 Next Domain [Eastlake] EID 31 Endpoint Identifier [Patton] NIMLOC 32 Nimrod Locator [Patton] IXFR 251 incremental transfer [Ohta] AXFR 252 transfer of an entire zone [RFC1035] MAILB 253 mailbox-related RRs (MB, MG or MR) [RFC1035] MAILA 254 mail agent RRs (Obsolete - see MX) [RFC1035] * 255 A request for all records [RFC1035] Domain System Operation Code: OpCode Name References ------ ---- ---------- 0 Query [RFC1035] 1 IQuery [RFC1035] 2 Status [RFC1035] 3 reserved [IANA] 4 Notify [Vixie] 5 Update [Thomson] REFERENCES [RFC1034] Mockapetris, P., "Domain Names - Concepts and Facilities", STD 13, RFC 1034, USC/Information Sciences Institute, November 1987. [RFC1035] Mockapetris, P., "Domain Names - Implementation and Specification", STD 13, RFC 1035, USC/Information Sciences Institute, November 1987. [RFC1183] Everhart, C., Mamakos, L., Ullmann, R., and P. Mockapetris, Editors, "New DNS RR Definitions", RFC 1183, Transarc, University of Maryland, Prime Computer, USC/Information Sciences Institute, October 1990. [RFC1664] Allocchio, C., Bonito, A., Cole, B., Giordano, S., and R. Hagens, "Using the Internet DNS to Distribute RFC1327 Mail Address Mapping Tables", GARR-Italy, Cisco Systems Inc., Centro Svizzero Calcolo Scientifico, Advanced Network & Services, August 1994. [RFC1706] Manning, B., and R. Colella, "DNS NSAP Resource Records", RFC 1706, USC/ISI and NIST, October 1994. [RFC1712] Farrell, C., M. Schulze, B. Pleitner, and D. Baldoni, "DNS Encoding of Geographical Location", RFC 1712, Curtin University of Technology, October 1994. PEOPLE [Eastlake] Donald E. Eastlake, III <firstname.lastname@example.org>, January 1995. [IANA] Internet Assigned Number Authority, <email@example.com>, December 1994. [Mockapetris] Paul Mockapetris, <firstname.lastname@example.org>, November 1994. [Otha] Masataka Ohta, <email@example.com>, March 1995. [Patton] Michael Patton, <firstname.lastname@example.org>, June 1995. [Thomson] Susan Thomson, <email@example.com>, August 1995. [Vixie] Paul Vixie, <firstname.lastname@example.org>, November 1994.