Text 11068, 77 rader
Skriven 2000-08-14 21:57:34 av richard lithvall
  Kommentar till text 11059 av Dennis Bjoerklund (2:203/159.15)
Ärende: Re: Mailserver
======================
>Så DNS är inte länga bara en enkel mappning från namn->IP-nummer. Nu blandar
vi
>in MX-records som är ett okänt begrepp för mig.
>
>Vad finns det med för information i DNS-databaserna?

Håll i dig nu, här kommer en diger lista med möjliga records som man kan ha i
katalogtjänsten DNS:

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                [RFC2535]
KEY             25 for security key                      [RFC2535]
PX              26 X.400 mail mapping information        [RFC2163]
GPOS            27 Geographical Position                 [RFC1712]
AAAA            28 IP6 Address                           [Thomson]
LOC             29 Location Information                    [Vixie]
NXT             30 Next Domain                           [RFC2535]
EID             31 Endpoint Identifier                    [Patton]
NIMLOC          32 Nimrod Locator                         [Patton]
SRV             33 Server Selection                      [RFC2782]
ATMA            34 ATM Address                         [Dobrowski]
NAPTR           35 Naming Authority Pointer              [RFC2168]
KX              36 Key Exchanger                         [RFC2230]
CERT            37 CERT                                  [RFC2538]
A6              38 A6                                    [RFC2874]
DNAME           39 DNAME                                 [RFC2672]
SINK            40 SINK                                 [Eastlake]
OPT             41 OPT                                   [RFC2671]
UINFO           100                                [IANA-Reserved]
UID             101                                [IANA-Reserved]
GID             102                                [IANA-Reserved]
UNSPEC          103                                [IANA-Reserved]
TKEY            249 TKEY                                [Eastlake]
TSIG            250 Transaction Signature                  [Vixie]
IXFR            251 incremental transfer                 [RFC1995]
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]

Note: In RFC 1002, two types are defined.  It is not clear that these
are in use, though if so their assignment does conflict with those
above.

        NB      32      NetBIOS general Name Service
        NBSTAT  33      NetBIOS NODE STATUS

Notera dock att endast ett fåtal av dessa faktiskt används i praktiken.

/richard

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