| TODO | 46 | Check if necessary | 
                                            
                            | TODO | 52 | Simplify the checks, if possible | 
                                            
                            | TODO | 53 | Check, if all these are necessary | 
                                            
                            | TODO | 67 | use similar variable names for all functions | 
                                            
                            | TODO | 70 | Change check to zone not empty | 
                                            
                            | TODO | 71 | If the Zone exists, don't throw an exception | 
                                            
                            | TODO | 86 | Check if necessary | 
                                            
                            | TODO | 92 | That's all not necessary | 
                                            
                            | TODO | 106 | only check if the $zone is alright and use the zone_id if possible | 
                                            
                            | TODO | 119 | Throw an exception if Zone was not found | 
                                            
                            | TODO | 129 | Check if necessary | 
                                            
                            | TODO | 135 | That's all not necessary | 
                                            
                            | TODO | 146 | findOne($record->record_id) is everything it takes | 
                                            
                            | TODO | 149 | Add Test for validate that a changed type does not violates the cname rule | 
                                            
                            | TODO | 165 | Check if necessary | 
                                            
                            | TODO | 171 | Only one zone should have this name then! Otherwise the records could be mixed up | 
                                            
                            | TODO | 174 | Simplify the checks, if possible | 
                                            
                            | TODO | 192 | Validate the zone earlier | 
                                            
                            | TODO | 196 | Validate the record earlier | 
                                            
                            | TODO | 212 | Check if necessary | 
                                            
                            | TODO | 218 | That's all not necessary |