OptionalcacheOptionalcacheThe maximum number of Answers to cache for each domain
OptionalcacheHow many DNSLink lookups to cache in memory
OptionalnamespacesBy default /ipfs/..., /ipns/... and /dnslink/... record values are
supported - to support other prefixes pass other value parsers here
By default the DNS TTL will be used to calculate when a DNSLink lookup should be evicted from the cache, unless one is not available in which case this number of ms will be used.