DNS/DHCP Server DNS metrics - BlueCat Integrity - 26.1.0

The following section outlines DNS/DHCP Server DNS metrics that are collected and available for export to observability platforms.

bc_dns_qtype

A counter of DNS queries of different types. The value has a label qtypes for each of the DNS query types, such as A, AAAA, and SOA.

bc_dns_opcode

A counter of DNS opcodes of different types. The value has a label opcodes for each of the DNS opcode types, such as UPDATE, QUERY, and STATUS.

bc_dhcp_rcode

A counter of DNS response codes of different types. The value has a label rcodes for each of the response code types, such as NOERROR, FORMERROR, and SERVFAIL.

bc_dns_nsstat

A counter of DNS nameserver statistics of different types. The value has a label nstats for each of the nameserver statistic types, such as Requestv4, Requestv6, and ReqEdns0.

bc_dns_sockstat

A counter of BIND socket statistics of different types. The value has a label sockstats for each of the socket statistic types, such as UDP4Open, UDP6Open, and FDWatchClose.

bc_dns_cache

A counter of BIND cache resource record sets of different types. The value has a label cache for each of the record types, such as UDP4Open, UDP6Open, and FDWatchClose.

bc_dns_cachestat

A counter of BIND cache statistics. The value has a label cachestat for each of the cache statistic types, such as CacheBuckets, HeapMemInUse, and CacheHits.

bc_dns_resolver

A counter of DNS resolver statistics. The value has a label resolverstat for each of the resolver statistic types, such as CookieIn, Responsev4, and Queryv4.

bc_dns_memory

The amount of memory used by the DNS service. The value has a label context for different memory related statistics. The memory-related statistics can be one of the following:

• cache_heap_inuse: The cache heap memory in use, in megabytes
• cache_heap_malloced: The cache heap memory allocated, in megabytes
• cache_inuse: The cache memory in use, in megabytes
• cache_malloced: The cache memory allocated, in megabytes
• total_inuse: The total memory in use, in megabytes
• total_malloced: The total memory allocated, in megabytes

bc_dns_topq

The most frequently occurring FQDNs queried since the last metrics collection interval. The values have the labels fqdn to indicate the FQDN and type to indicate the resource record type.

bc_dns_toptld

The most frequently occurring top level domain (TLD) queried since the last metrics collection interval. The values have the label tld to indicate the top level domains.

bc_dns_topclient

The top 10 most frequently occurring clients querying DNS since the last metrics collection interval. The values have the label sourceip to indicate the source IP of the client.