// Dynamically remove a full set of RR records stored in DNS
func (s *Service) RemoveName(zone string, rr []dns.RR) error {
m := new(dns.Msg)
m.SetUpdate(zone)
m.SetTsig(dns.Fqdn(s.Key), dns.HmacMD5, 300, time.Now().Unix())
m.RemoveName(rr)
h, err := s.ServerPort()
if err != nil {
return err
}
c := new(dns.Client)
c.TsigSecret = map[string]string{dns.Fqdn(s.Key): s.Secret}
r, _, err := c.Exchange(m, h)
if err != nil {
return err
}
if r.Rcode != dns.RcodeSuccess {
return errors.New(fmt.Sprintf("invalid exchange answer"))
}
return nil
}