dns_soa.tform.php Also Notify option validation is commented!
This comments causing errors in bind config files because also-notify field is not validating to be IPV4 address
'also_notify' => array (
'datatype' => 'VARCHAR',
'formtype' => 'TEXT',
// 'validators' => array ( 0 => array ( 'type' => 'ISIPV4', // 'errmsg'=> 'also_notify_error_regex' // ), // ), 'default' => '', 'value' => '', 'width' => '30', 'maxlength' => '255'