Crate blastdns 

Structs

BlastDNSClient

Primary API surface for performing DNS lookups concurrently.

BlastDNSConfig

Configuration knobs for [BlastDNSClient].

MockBlastDNSClient

Mock DNS client for testing purposes.

Enums

BlastDNSError

Constants

DEFAULT_CACHE_CAPACITY

Default cache capacity (0 = disabled).

DEFAULT_CACHE_MAX_TTL

Default maximum TTL for cached entries.

DEFAULT_CACHE_MIN_TTL

Default minimum TTL for cached entries.

DEFAULT_MAX_RETRIES

Default number of retry attempts per hostname.

DEFAULT_PURGATORY_SENTENCE

Default purgatory sentence duration.

DEFAULT_PURGATORY_THRESHOLD

Default consecutive error count needed to send a worker to purgatory.

DEFAULT_REQUEST_TIMEOUT

Default timeout in milliseconds used for each resolver request.

DEFAULT_THREADS_PER_RESOLVER

Default number of worker tasks spawned per resolver.

Traits

DnsResolver

Core trait for DNS resolution. Types only need to implement resolve_full, all other methods have default implementations.

Functions

check_ulimits

Checks if the system’s NOFILE limit is sufficient for the given configuration. Each worker needs file descriptors for UDP sockets, plus overhead.

get_system_resolvers

Get system DNS resolver IP addresses from OS configuration. Works on Unix, Windows, macOS, and Android.

Type Aliases

BatchResult

Result item produced by BlastDNSClient::resolve_batch_full.

BatchResultBasic

Result item produced by BlastDNSClient::resolve_batch.