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
--------0
1
2
3
4
5-253
254
255
256-65534
65535
Name
---Reserved
Internet (IN)
Unassigned
Chaos (CH)
Hesiod (HS)
Unassigned
None
Any [QCLASS Only]
Unassigned
Reserved
References
---------[IANA]
[RFC1035]
[IANA]
[RFC1035]
[RFC1035]
[IANA]
[Vixie]
[RFC1035]
[IANA]
[IANA]
In the Internet (IN) class the following Resource Record (RR) TYPEs
and QTYPEs are defined:
TYPE
value and meaning
A
NS
MD
MF
CNAME
SOA
MB
MG
MR
NULL
WKS
PTR
HINFO
MINFO
MX
TXT
1 a host address
[RFC1035]
2 an authoritative name server
[RFC1035]
3 a mail destination (Obsolete - use MX) [RFC1035]
4 a mail forwarder (Obsolete - use MX)
[RFC1035]
5 the canonical name for an alias
[RFC1035]
6 marks the start of a zone of authority [RFC1035]
7 a mailbox domain name (EXPERIMENTAL)
[RFC1035]
8 a mail group member (EXPERIMENTAL) [RFC1035]
9 a mail rename domain name (EXPERIMENTAL)[RFC1035]
10 a null RR (EXPERIMENTAL)
[RFC1035]
11 a well known service description
[RFC1035]
12 a domain name pointer
[RFC1035]
13 host information
[RFC1035]
14 mailbox or mail list information
[RFC1035]
15 mail exchange
[RFC1035]
16 text strings
[RFC1035]
RP
AFSDB
X25
ISDN
17
18
19
20 for
for Responsible Person
for AFS Data Base location
for X.25 PSDN address
ISDN address
[RFC1183]
[RFC1183]
[RFC1183]
[RFC1183]
RT
NSAP
NSAP-PTR
21 for Route Through
[RFC1183]
22 for NSAP address, NSAP style A record [RFC1706]
23
SIG
KEY
24 for security signature
25 for security key
[RFC2065]
[RFC2065]
PX
26 X.400 mail mapping information
[RFC2163]
GPOS
27 Geographical Position
[RFC1712]
AAAA
28 IP6 Address
[Thomson]
LOC
29 Location Information
NXT
30 Next Domain
EID
NIMLOC
31 Endpoint Identifier
32 Nimrod Locator
SRV
33 Server Selection
ATMA
34 ATM Address
NAPTR
KX
35 Naming Authority Pointer
36 Key Exchanger
[Vixie]
[RFC2065]
[Patton]
[Patton]
[RFC2052]
[Dobrowski]
[RFC2168]
[RFC2230]
CERT
37 CERT
[Eastlake]
TKEY
TSIG
IXFR
AXFR
MAILB
MAILA
*
249 TKEY
[Eastlake]
250 Transaction Signature
[Vixie]
251 incremental transfer
[RFC1995]
252 transfer of an entire zone
[RFC1035]
253 mailbox-related RRs (MB, MG or MR)
[RFC1035]
254 mail agent RRs (Obsolete - see MX)
[RFC1035]
255 A request for all records
[RFC1035]
Domain System Operation Code:
OpCode
-----0
1
2
3
4
Name
---Query
IQuery
Status
reserved
Notify
References
---------[RFC1035]
[RFC1035]
[RFC1035]
[IANA]
[RFC1996]
5
Update
[Vixie]
Domain System Response Code:
OpCode
-----0
1
2
3
4
5
6
7
8
9
10
Name
---NoError
FormErr
ServFail
NXDomain
NotImp
Refused
YXDomain
YXRRSet
NXRRSet
NotAuth
NotZone
References
---------No Error
[RFC1035]
Format Error
[RFC1035]
Server Failure
[RFC1035]
Non-Existent Domain
[RFC1035]
Not Implemented
[RFC1035]
Query Refused
[RFC1035]
Name Exists when it should not
[RFC2136]
RR Set Exists when it should not
[RFC2136]
RR Set that should exist does not [RFC2136]
Server Not Authoritative for zone [RFC2136]
Name not contained in zone
[RFC2136]
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.
[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.
[RFC1995] Ohta, M., "Incremental Zone Transfer in DNS", RFC 1995,
Tokyo Institute of Technology, August 1996.
[RFC1996] Vixie, P., "A Mechanism for Prompt Notification of Zone
Changes (DNS NOTIFY)", RFC 1996, ISC, August 1996.
[RFC2052] Gulbrandsen, A., and P. Vixie, "A DNS RR for Specifying the
Location of Services (DNS SRV)", RFC 2052, Troll
Technologies, Vixie Enterprises, October 1996.
[RFC2065] Eastlake, D., and C. Kaufman, "Domain Name System Security
Extensions", RFC 2065, CyberCash, Iris, January 1997.
[RFC2136] Vixie, P., S. Thomson, Y. Rekhter, and J. Bound, "Dynamic
Updates in the Domain Name System (DNS UPDATE) Dynamic
Updates in the Domain Name System (DNS UPDATE), RFC 2136,
ISC, Bellcore, Cisco, DEC, April 1997.
[RFC2163] Allocchio, C., "Using the Internet DNS to Distribute MIXER
Conformant Global Address Mapping (MCGAM)", RFC 2163,
GARR-Italy, July 1977.
[RFC2168] R. Danie1, M. Mealling., "Resolution of Uniform Resource
Identifiers using the Domain Name System", RFC 2168, Los
Alamos National Laboratory, Network Solutions, Inc.,
June 1997.
[RFC2230] Atkinson, R., "Key Exchange Delegation Record for the DNS",
RFC 2230, NRL, October 1997.
PEOPLE
[Daniel] Ron Daniel, <rdaniel@lanl.gov>, June 1997.
[Dobrowski] George Dobrowski, <ghd@cc.bellcore.com>, July 1996.
[Eastlake] Donald E. Eastlake, III <dee@cybercash.com>, January 1995,
November 1997.
[IANA] Internet Assigned Numbers Authority, <iana@isi.edu>, December 1994.
[Mockapetris] Paul Mockapetris, <pvm@isi.edu>, November 1994.
[Otha] Masataka Ohta, <mohta@necom830.cc.titech.ac.jp>, March 1995.
[Patton] Michael Patton, <map@bbn.com>, June 1995.
[Thomson] Susan Thomson, <set@thumper.bellcore.com>, August 1995.
[Vixie] Paul Vixie, <paul@vix.com>, June 1997.
[]