resolver

func DirectedQuery ¶

func DirectedQuery(servers []string, rd bool, q dns.Question, ctx context.Context) (*dns.Msg, error)

func FindZoneApex ¶

func FindZoneApex(name string, ctx context.Context) (apex string, zoneSOA *dns.SOA, err error)

Given a domain name, find the apex for the zone enclosing the name. e.g. if example.com. is a zone, and "www.example.com." is not delegated, given "www.example.com.", returns "example.com." If a zone SOA was found during the process, return that too (not guaranteed).

func LookupSOA ¶

func LookupSOA(name string, ctx context.Context) (*dns.SOA, error)

func Query ¶

func Query(q dns.Question, ctx context.Context) (*dns.Msg, error)