r.Header.RCode = dnsmessage.RCodeNameError
		}

		return r, nil
	}}

	cases := []struct {
		strictErrors bool
		wantErr      *DNSError
	}{
		{true, &DNSError{Name: fqdn, Err: "server misbehaving", IsTemporary: true}},
		{false, &DNSError{Name: fqdn, Err: errNoSuchHost.Error(), IsNotFound: true}},
	}
	for _, tt := range cases {
		r := Resolver{PreferGo: true, StrictErrors: tt.strictErrors, Dial: fake.DialContext}

	f.Offset = p.Offset

	// NOTE(rsc): This is the only allocation in the interface
	// presented by a reflect.Type. It would be nice to avoid,
	// at least in the common cases, but we need to make sure
	// that misbehaving clients of reflect cannot affect other
	// uses of reflect. One possibility is CL 5371098, but we
	// postponed that ugliness until there is a demonstrated
	// need for the performance. This is issue 2320.