Struct DnsResolver 

pub struct DnsResolver { /* private fields */ }

DNS resolver with caching and multiple nameserver support

Implementations

impl DnsResolver

pub fn new() -> Self

Create a new DNS resolver with default settings

pub fn add_nameserver(&mut self, addr: Ipv4Address)

Add a nameserver address

pub fn add_host(&mut self, name: &str, addr: Ipv4Address)

Add a static host entry

pub fn parse_resolv_conf(&mut self, content: &str)

Parse resolv.conf content to extract nameserver lines

pub fn parse_hosts(&mut self, content: &str)

Parse hosts file content

pub fn lookup_hosts(&self, name: &str) -> Option<Ipv4Address>

Look up a name in the static hosts table

pub fn resolve( &mut self, name: &str, rtype: DnsRecordType, ) -> Result<Vec<DnsRecord>, DnsError>

Resolve a domain name to DNS records.

Check order: hosts file -> cache -> network query

pub fn cache_records(&mut self, records: &[DnsRecord])

Insert records into the cache (for use when response is received)

pub fn cache_size(&self) -> usize

Get cache statistics

pub fn clear_cache(&mut self)

Clear the DNS cache

Trait Implementations

impl Default for DnsResolver

Available on crate feature alloc only.

fn default() -> Self

Returns the “default value” for a type.