MIBs Depot

DNS-RESOLVER-MIB

Registered at
1.3.6.1.2.1.32.2
Last updated
1994-01-28 22:50
Organization
IETF DNS Working Group
Namespace
standard
Source file
DNS-RESOLVER-MIB
Digest
sha256:1ae8763c73356eb2980db6f796ee7b31c97f5d029bd2049c4afc9eab85e6aec8

Description

The MIB module for entities implementing the client (resolver) side of the Domain Name System (DNS) protocol.

Contact

Rob Austein Postal: Epilogue Technology Corporation 268 Main Street, Suite 283 North Reading, MA 10864 US Tel: +1 617 245 0804 Fax: +1 617 245 8122 E-Mail: sra@epilogue.com Jon Saperia Postal: Digital Equipment Corporation 110 Spit Brook Road ZKO1-3/H18 Nashua, NH 03062-2698 US Tel: +1 603 881 0480 Fax: +1 603 881 0120 E-mail: saperia@zko.dec.com

Imports

FromSymbols
DNS-SERVER-MIBDnsClass, DnsName, DnsNameAsIndex, DnsOpCode, DnsQClass, DnsQType, DnsRespCode, DnsTime, DnsType, dns
SNMPv2-CONFMODULE-COMPLIANCE, NOTIFICATION-GROUP, OBJECT-GROUP
SNMPv2-SMICounter32, Integer32, IpAddress, MODULE-IDENTITY, NOTIFICATION-TYPE, OBJECT-IDENTITY, OBJECT-TYPE, iso
SNMPv2-TCDisplayString, RowStatus, TEXTUAL-CONVENTION

Imported by

4 module(s) in this corpus import this one.

Load order

Every file a consumer needs in order to load this module, dependencies first.

DNS-RESOLVER-MIB
DNS-SERVER-MIB
SNMPv2-CONF
SNMPv2-SMI
SNMPv2-TC

Objects

NameOIDSyntaxAccessStatus
dnsResMIBObjects
OBJECT-IDENTITY
1.3.6.1.2.1.32.2.1
dnsResConfig
OBJECT-IDENTITY
1.3.6.1.2.1.32.2.1.1
dnsResConfigImplementIdent
OBJECT-TYPE
The implementation identification string for the resolver software in use on the system, for example; `RES-2.1'
1.3.6.1.2.1.32.2.1.1.1DisplayStringread-onlycurrent
dnsResConfigService
OBJECT-TYPE
Kind of DNS resolution service provided: recursiveOnly(1) indicates a stub resolver. iterativeOnly(2) indicates a normal full service resolver. recursiveAndIterative(3) indicates a full-service resolver which performs a mix of recursive and iterative queries.
1.3.6.1.2.1.32.2.1.1.2INTEGER {recursiveOnly(1), iterativeOnly(2), recursiveAndIterative(3)}read-onlycurrent
dnsResConfigMaxCnames
OBJECT-TYPE
Limit on how many CNAMEs the resolver should allow before deciding that there's a CNAME loop. Zero means that resolver has no explicit CNAME limit.
1.3.6.1.2.1.32.2.1.1.3INTEGER (0..2147483647)read-writecurrent
dnsResConfigSbeltTable
OBJECT-TYPE
Table of safety belt information used by the resolver when it hasn't got any better idea of where to send a query, such as when the resolver is booting or is a stub resolver.
1.3.6.1.2.1.32.2.1.1.4not-accessiblecurrent
dnsResConfigSbeltEntry
OBJECT-TYPE
An entry in the resolver's Sbelt table. Rows may be created or deleted at any time by the DNS resolver and by SNMP SET requests. Whether the values changed via SNMP are saved in stable storage across `reset' operations is implementation-specific.
1.3.6.1.2.1.32.2.1.1.4.1not-accessiblecurrent
dnsResConfigSbeltAddr
OBJECT-TYPE
The IP address of the Sbelt name server identified by this row of the table.
1.3.6.1.2.1.32.2.1.1.4.1.1IpAddressnot-accessiblecurrent
dnsResConfigSbeltName
OBJECT-TYPE
The DNS name of a Sbelt nameserver identified by this row of the table. A zero-length string indicates that the name is not known by the resolver.
1.3.6.1.2.1.32.2.1.1.4.1.2DnsNameread-createcurrent
dnsResConfigSbeltRecursion
OBJECT-TYPE
Kind of queries resolver will be sending to the name server identified in this row of the table: iterative(1) indicates that resolver will be directing iterative queries to this name server (RD bit turned off). recursive(2) indicates that resolver will be directing recursive queries to this name server (RD bit turned on). recursiveAndIterative(3) indicates that the resolver will be directing both recursive and iterative queries to the server identified in this row of the table.
1.3.6.1.2.1.32.2.1.1.4.1.3INTEGER {iterative(1), recursive(2), recursiveAndIterative(3)}read-createcurrent
dnsResConfigSbeltPref
OBJECT-TYPE
This value identifies the preference for the name server identified in this row of the table. The lower the value, the more desirable the resolver considers this server.
1.3.6.1.2.1.32.2.1.1.4.1.4INTEGER (0..2147483647)read-createcurrent
dnsResConfigSbeltSubTree
OBJECT-TYPE
Queries sent to the name server identified by this row of the table are limited to those for names in the name subtree identified by this variable. If no such limitation applies, the value of this variable is the name of the root domain (a DNS name consisting of a single zero octet).
1.3.6.1.2.1.32.2.1.1.4.1.5DnsNameAsIndexnot-accessiblecurrent
dnsResConfigSbeltClass
OBJECT-TYPE
The class of DNS queries that will be sent to the server identified by this row of the table.
1.3.6.1.2.1.32.2.1.1.4.1.6DnsClassnot-accessiblecurrent
dnsResConfigSbeltStatus
OBJECT-TYPE
Row status column for this row of the Sbelt table.
1.3.6.1.2.1.32.2.1.1.4.1.7RowStatusread-createcurrent
dnsResConfigUpTime
OBJECT-TYPE
If the resolver has a persistent state (e.g., a process), this value will be the time elapsed since it started. For software without persistant state, this value will be 0.
1.3.6.1.2.1.32.2.1.1.5DnsTimeread-onlycurrent
dnsResConfigResetTime
OBJECT-TYPE
If the resolver has a persistent state (e.g., a process) and supports a `reset' operation (e.g., can be told to re-read configuration files), this value will be the time elapsed since the last time the resolver was `reset.' For software that does not have persistence or does not support a `reset' operation, this value will be zero.
1.3.6.1.2.1.32.2.1.1.6DnsTimeread-onlycurrent
dnsResConfigReset
OBJECT-TYPE
Status/action object to reinitialize any persistant resolver state. When set to reset(2), any persistant resolver state (such as a process) is reinitialized as if the resolver had just been started. This value will never be returned by a read operation. When read, one of the following values will be returned: other(1) - resolver in some unknown state; initializing(3) - resolver (re)initializing; running(4) - resolver currently running.
1.3.6.1.2.1.32.2.1.1.7INTEGER {other(1), reset(2), initializing(3), running(4)}read-writecurrent
dnsResCounter
OBJECT-IDENTITY
1.3.6.1.2.1.32.2.1.2
dnsResCounterByOpcodeTable
OBJECT-TYPE
Table of the current count of resolver queries and answers.
1.3.6.1.2.1.32.2.1.2.3not-accessiblecurrent
dnsResCounterByOpcodeEntry
OBJECT-TYPE
Entry in the resolver counter table. Entries are indexed by DNS OpCode.
1.3.6.1.2.1.32.2.1.2.3.1not-accessiblecurrent
dnsResCounterByOpcodeCode
OBJECT-TYPE
The index to this table. The OpCodes that have already been defined are found in RFC-1035.
1.3.6.1.2.1.32.2.1.2.3.1.1DnsOpCodenot-accessiblecurrent
dnsResCounterByOpcodeQueries
OBJECT-TYPE
Total number of queries that have sent out by the resolver since initialization for the OpCode which is the index to this row of the table.
1.3.6.1.2.1.32.2.1.2.3.1.2Counter32read-onlycurrent
dnsResCounterByOpcodeResponses
OBJECT-TYPE
Total number of responses that have been received by the resolver since initialization for the OpCode which is the index to this row of the table.
1.3.6.1.2.1.32.2.1.2.3.1.3Counter32read-onlycurrent
dnsResCounterByRcodeTable
OBJECT-TYPE
Table of the current count of responses to resolver queries.
1.3.6.1.2.1.32.2.1.2.4not-accessiblecurrent
dnsResCounterByRcodeEntry
OBJECT-TYPE
Entry in the resolver response table. Entries are indexed by DNS response code.
1.3.6.1.2.1.32.2.1.2.4.1not-accessiblecurrent
dnsResCounterByRcodeCode
OBJECT-TYPE
The index to this table. The Response Codes that have already been defined are found in RFC-1035.
1.3.6.1.2.1.32.2.1.2.4.1.1DnsRespCodenot-accessiblecurrent
dnsResCounterByRcodeResponses
OBJECT-TYPE
Number of responses the resolver has received for the response code value which identifies this row of the table.
1.3.6.1.2.1.32.2.1.2.4.1.2Counter32read-onlycurrent
dnsResCounterNonAuthDataResps
OBJECT-TYPE
Number of requests made by the resolver for which a non-authoritative answer (cached data) was received.
1.3.6.1.2.1.32.2.1.2.5Counter32read-onlycurrent
dnsResCounterNonAuthNoDataResps
OBJECT-TYPE
Number of requests made by the resolver for which a non-authoritative answer - no such data response (empty answer) was received.
1.3.6.1.2.1.32.2.1.2.6Counter32read-onlycurrent
dnsResCounterMartians
OBJECT-TYPE
Number of responses received which were received from servers that the resolver does not think it asked.
1.3.6.1.2.1.32.2.1.2.7Counter32read-onlycurrent
dnsResCounterRecdResponses
OBJECT-TYPE
Number of responses received to all queries.
1.3.6.1.2.1.32.2.1.2.8Counter32read-onlycurrent
dnsResCounterUnparseResps
OBJECT-TYPE
Number of responses received which were unparseable.
1.3.6.1.2.1.32.2.1.2.9Counter32read-onlycurrent
dnsResCounterFallbacks
OBJECT-TYPE
Number of times the resolver had to fall back to its seat belt information.
1.3.6.1.2.1.32.2.1.2.10Counter32read-onlycurrent
dnsResLameDelegation
OBJECT-IDENTITY
1.3.6.1.2.1.32.2.1.3
dnsResLameDelegationOverflows
OBJECT-TYPE
Number of times the resolver attempted to add an entry to the Lame Delegation table but was unable to for some reason such as space constraints.
1.3.6.1.2.1.32.2.1.3.1Counter32read-onlycurrent
dnsResLameDelegationTable
OBJECT-TYPE
Table of name servers returning lame delegations. A lame delegation has occured when a parent zone delegates authority for a child zone to a server that appears not to think that it is authoritative for the child zone in question.
1.3.6.1.2.1.32.2.1.3.2not-accessiblecurrent
dnsResLameDelegationEntry
OBJECT-TYPE
Entry in lame delegation table. Only the resolver may create rows in this table. SNMP SET requests may be used to delete rows.
1.3.6.1.2.1.32.2.1.3.2.1not-accessiblecurrent
dnsResLameDelegationSource
OBJECT-TYPE
Source of lame delegation.
1.3.6.1.2.1.32.2.1.3.2.1.1IpAddressnot-accessiblecurrent
dnsResLameDelegationName
OBJECT-TYPE
DNS name for which lame delegation was received.
1.3.6.1.2.1.32.2.1.3.2.1.2DnsNameAsIndexnot-accessiblecurrent
dnsResLameDelegationClass
OBJECT-TYPE
DNS class of received lame delegation.
1.3.6.1.2.1.32.2.1.3.2.1.3DnsClassnot-accessiblecurrent
dnsResLameDelegationCounts
OBJECT-TYPE
How many times this lame delegation has been received.
1.3.6.1.2.1.32.2.1.3.2.1.4Counter32read-onlycurrent
dnsResLameDelegationStatus
OBJECT-TYPE
Status column for the lame delegation table. Since only the agent (DNS resolver) creates rows in this table, the only values that a manager may write to this variable are active(1) and destroy(6).
1.3.6.1.2.1.32.2.1.3.2.1.5RowStatusread-writecurrent
dnsResCache
OBJECT-IDENTITY
1.3.6.1.2.1.32.2.1.4
dnsResCacheStatus
OBJECT-TYPE
Status/action for the resolver's cache. enabled(1) means that the use of the cache is allowed. Query operations can return this state. disabled(2) means that the cache is not being used. Query operations can return this state. Setting this variable to clear(3) deletes the entire contents of the resolver's cache, but does not otherwise change the resolver's state. The status will retain its previous value from before the clear operation (i.e., enabled(1) or disabled(2)). The value of clear(3) can NOT be returned by a query operation.
1.3.6.1.2.1.32.2.1.4.1INTEGER {enabled(1), disabled(2), clear(3)}read-writecurrent
dnsResCacheMaxTTL
OBJECT-TYPE
Maximum Time-To-Live for RRs in this cache. If the resolver does not implement a TTL ceiling, the value of this field should be zero.
1.3.6.1.2.1.32.2.1.4.2DnsTimeread-writecurrent
dnsResCacheGoodCaches
OBJECT-TYPE
Number of RRs the resolver has cached successfully.
1.3.6.1.2.1.32.2.1.4.3Counter32read-onlycurrent
dnsResCacheBadCaches
OBJECT-TYPE
Number of RRs the resolver has refused to cache because they appear to be dangerous or irrelevant. E.g., RRs with suspiciously high TTLs, unsolicited root information, or that just don't appear to be relevant to the question the resolver asked.
1.3.6.1.2.1.32.2.1.4.4Counter32read-onlycurrent
dnsResCacheRRTable
OBJECT-TYPE
This table contains information about all the resource records currently in the resolver's cache.
1.3.6.1.2.1.32.2.1.4.5not-accessiblecurrent
dnsResCacheRREntry
OBJECT-TYPE
An entry in the resolvers's cache. Rows may be created only by the resolver. SNMP SET requests may be used to delete rows.
1.3.6.1.2.1.32.2.1.4.5.1not-accessiblecurrent
dnsResCacheRRName
OBJECT-TYPE
Owner name of the Resource Record in the cache which is identified in this row of the table. As described in RFC-1034, the owner of the record is the domain name were the RR is found.
1.3.6.1.2.1.32.2.1.4.5.1.1DnsNameAsIndexnot-accessiblecurrent
dnsResCacheRRClass
OBJECT-TYPE
DNS class of the Resource Record in the cache which is identified in this row of the table.
1.3.6.1.2.1.32.2.1.4.5.1.2DnsClassnot-accessiblecurrent
dnsResCacheRRType
OBJECT-TYPE
DNS type of the Resource Record in the cache which is identified in this row of the table.
1.3.6.1.2.1.32.2.1.4.5.1.3DnsTypenot-accessiblecurrent
dnsResCacheRRTTL
OBJECT-TYPE
Time-To-Live of RR in DNS cache. This is the initial TTL value which was received with the RR when it was originally received.
1.3.6.1.2.1.32.2.1.4.5.1.4DnsTimeread-onlycurrent
dnsResCacheRRElapsedTTL
OBJECT-TYPE
Elapsed seconds since RR was received.
1.3.6.1.2.1.32.2.1.4.5.1.5DnsTimeread-onlycurrent
dnsResCacheRRSource
OBJECT-TYPE
Host from which RR was received, 0.0.0.0 if unknown.
1.3.6.1.2.1.32.2.1.4.5.1.6IpAddressread-onlycurrent
dnsResCacheRRData
OBJECT-TYPE
RDATA portion of a cached RR. The value is in the format defined for the particular DNS class and type of the resource record.
1.3.6.1.2.1.32.2.1.4.5.1.7OCTET STRINGread-onlycurrent
dnsResCacheRRStatus
OBJECT-TYPE
Status column for the resolver cache table. Since only the agent (DNS resolver) creates rows in this table, the only values that a manager may write to this variable are active(1) and destroy(6).
1.3.6.1.2.1.32.2.1.4.5.1.8RowStatusread-writecurrent
dnsResCacheRRIndex
OBJECT-TYPE
A value which makes entries in the table unique when the other index values (dnsResCacheRRName, dnsResCacheRRClass, and dnsResCacheRRType) do not provide a unique index.
1.3.6.1.2.1.32.2.1.4.5.1.9Integer32not-accessiblecurrent
dnsResCacheRRPrettyName
OBJECT-TYPE
Name of the RR at this row in the table. This is identical to the dnsResCacheRRName variable, except that character case is preserved in this variable, per DNS conventions.
1.3.6.1.2.1.32.2.1.4.5.1.10DnsNameread-onlycurrent
dnsResNCache
OBJECT-IDENTITY
1.3.6.1.2.1.32.2.1.5
dnsResNCacheStatus
OBJECT-TYPE
Status/action for the resolver's negative response cache. enabled(1) means that the use of the negative response cache is allowed. Query operations can return this state. disabled(2) means that the negative response cache is not being used. Query operations can return this state. Setting this variable to clear(3) deletes the entire contents of the resolver's negative response cache. The status will retain its previous value from before the clear operation (i.e., enabled(1) or disabled(2)). The value of clear(3) can NOT be returned by a query operation.
1.3.6.1.2.1.32.2.1.5.1INTEGER {enabled(1), disabled(2), clear(3)}read-writecurrent
dnsResNCacheMaxTTL
OBJECT-TYPE
Maximum Time-To-Live for cached authoritative errors. If the resolver does not implement a TTL ceiling, the value of this field should be zero.
1.3.6.1.2.1.32.2.1.5.2DnsTimeread-writecurrent
dnsResNCacheGoodNCaches
OBJECT-TYPE
Number of authoritative errors the resolver has cached successfully.
1.3.6.1.2.1.32.2.1.5.3Counter32read-onlycurrent
dnsResNCacheBadNCaches
OBJECT-TYPE
Number of authoritative errors the resolver would have liked to cache but was unable to because the appropriate SOA RR was not supplied or looked suspicious.
1.3.6.1.2.1.32.2.1.5.4Counter32read-onlycurrent
dnsResNCacheErrTable
OBJECT-TYPE
The resolver's negative response cache. This table contains information about authoritative errors that have been cached by the resolver.
1.3.6.1.2.1.32.2.1.5.5not-accessiblecurrent
dnsResNCacheErrEntry
OBJECT-TYPE
An entry in the resolver's negative response cache table. Only the resolver can create rows. SNMP SET requests may be used to delete rows.
1.3.6.1.2.1.32.2.1.5.5.1not-accessiblecurrent
dnsResNCacheErrQName
OBJECT-TYPE
QNAME associated with a cached authoritative error.
1.3.6.1.2.1.32.2.1.5.5.1.1DnsNameAsIndexnot-accessiblecurrent
dnsResNCacheErrQClass
OBJECT-TYPE
DNS QCLASS associated with a cached authoritative error.
1.3.6.1.2.1.32.2.1.5.5.1.2DnsQClassnot-accessiblecurrent
dnsResNCacheErrQType
OBJECT-TYPE
DNS QTYPE associated with a cached authoritative error.
1.3.6.1.2.1.32.2.1.5.5.1.3DnsQTypenot-accessiblecurrent
dnsResNCacheErrTTL
OBJECT-TYPE
Time-To-Live of a cached authoritative error at the time of the error, it should not be decremented by the number of seconds since it was received. This should be the TTL as copied from the MINIMUM field of the SOA that accompanied the authoritative error, or a smaller value if the resolver implements a ceiling on negative response cache TTLs.
1.3.6.1.2.1.32.2.1.5.5.1.4DnsTimeread-onlycurrent
dnsResNCacheErrElapsedTTL
OBJECT-TYPE
Elapsed seconds since authoritative error was received.
1.3.6.1.2.1.32.2.1.5.5.1.5DnsTimeread-onlycurrent
dnsResNCacheErrSource
OBJECT-TYPE
Host which sent the authoritative error, 0.0.0.0 if unknown.
1.3.6.1.2.1.32.2.1.5.5.1.6IpAddressread-onlycurrent
dnsResNCacheErrCode
OBJECT-TYPE
The authoritative error that has been cached: nonexistantName(1) indicates an authoritative name error (RCODE = 3). noData(2) indicates an authoritative response with no error (RCODE = 0) and no relevant data. other(3) indicates some other cached authoritative error. At present, no such errors are known to exist.
1.3.6.1.2.1.32.2.1.5.5.1.7INTEGER {nonexistantName(1), noData(2), other(3)}read-onlycurrent
dnsResNCacheErrStatus
OBJECT-TYPE
Status column for the resolver negative response cache table. Since only the agent (DNS resolver) creates rows in this table, the only values that a manager may write to this variable are active(1) and destroy(6).
1.3.6.1.2.1.32.2.1.5.5.1.8RowStatusread-writecurrent
dnsResNCacheErrIndex
OBJECT-TYPE
A value which makes entries in the table unique when the other index values (dnsResNCacheErrQName, dnsResNCacheErrQClass, and dnsResNCacheErrQType) do not provide a unique index.
1.3.6.1.2.1.32.2.1.5.5.1.9Integer32read-onlycurrent
dnsResNCacheErrPrettyName
OBJECT-TYPE
QNAME associated with this row in the table. This is identical to the dnsResNCacheErrQName variable, except that character case is preserved in this variable, per DNS conventions.
1.3.6.1.2.1.32.2.1.5.5.1.10DnsNameread-onlycurrent
dnsResOptCounter
OBJECT-IDENTITY
1.3.6.1.2.1.32.2.1.6
dnsResOptCounterReferals
OBJECT-TYPE
Number of responses which were received from servers redirecting query to another server.
1.3.6.1.2.1.32.2.1.6.1Counter32read-onlycurrent
dnsResOptCounterRetrans
OBJECT-TYPE
Number requests retransmitted for all reasons.
1.3.6.1.2.1.32.2.1.6.2Counter32read-onlycurrent
dnsResOptCounterNoResponses
OBJECT-TYPE
Number of queries that were retransmitted because of no response.
1.3.6.1.2.1.32.2.1.6.3Counter32read-onlycurrent
dnsResOptCounterRootRetrans
OBJECT-TYPE
Number of queries that were retransmitted that were to root servers.
1.3.6.1.2.1.32.2.1.6.4Counter32read-onlycurrent
dnsResOptCounterInternals
OBJECT-TYPE
Number of requests internally generated by the resolver.
1.3.6.1.2.1.32.2.1.6.5Counter32read-onlycurrent
dnsResOptCounterInternalTimeOuts
OBJECT-TYPE
Number of requests internally generated which timed out.
1.3.6.1.2.1.32.2.1.6.6Counter32read-onlycurrent
dnsResMIBGroups
OBJECT-IDENTITY
1.3.6.1.2.1.32.2.2
dnsResMIBCompliances
OBJECT-IDENTITY
1.3.6.1.2.1.32.2.3

Conformance

NameOIDStatus
dnsResConfigGroup
OBJECT-GROUP
A collection of objects providing basic configuration information for a DNS resolver implementation.
1.3.6.1.2.1.32.2.2.1current
dnsResCounterGroup
OBJECT-GROUP
A collection of objects providing basic instrumentation of a DNS resolver implementation.
1.3.6.1.2.1.32.2.2.2current
dnsResLameDelegationGroup
OBJECT-GROUP
A collection of objects providing instrumentation of `lame delegation' failures.
1.3.6.1.2.1.32.2.2.3current
dnsResCacheGroup
OBJECT-GROUP
A collection of objects providing access to and control of a DNS resolver's cache.
1.3.6.1.2.1.32.2.2.4current
dnsResNCacheGroup
OBJECT-GROUP
A collection of objects providing access to and control of a DNS resolver's negative response cache.
1.3.6.1.2.1.32.2.2.5current
dnsResOptCounterGroup
OBJECT-GROUP
A collection of objects providing further instrumentation applicable to many but not all DNS resolvers.
1.3.6.1.2.1.32.2.2.6current
dnsResMIBCompliance
MODULE-COMPLIANCE
The compliance statement for agents implementing the DNS resolver MIB extensions.
1.3.6.1.2.1.32.2.3.1current