diff --git a/_example/basic/example.tf b/_example/basic/example.tf
index e3307da..687adf0 100644
--- a/_example/basic/example.tf
+++ b/_example/basic/example.tf
@@ -10,7 +10,7 @@ module "dns_zone" {
   source                       = "../.."
   name                         = "app"
   environment                  = "test"
-  resource_group_name          = "NetworkWatcherRG"
+  resource_group_name          = "test-rg"
   dns_zone_names               = "example.com"
   private_registration_enabled = false
   private_dns                  = false
diff --git a/_example/basic/versions.tf b/_example/basic/versions.tf
index 9ffba34..fb49866 100644
--- a/_example/basic/versions.tf
+++ b/_example/basic/versions.tf
@@ -7,7 +7,7 @@ terraform {
   required_providers {
     azurerm = {
       source  = "hashicorp/azurerm"
-      version = ">=3.85.0"
+      version = ">=3.86.0"
     }
   }
 }
diff --git a/_example/complete/versions.tf b/_example/complete/versions.tf
index 9ffba34..fb49866 100644
--- a/_example/complete/versions.tf
+++ b/_example/complete/versions.tf
@@ -7,7 +7,7 @@ terraform {
   required_providers {
     azurerm = {
       source  = "hashicorp/azurerm"
-      version = ">=3.85.0"
+      version = ">=3.86.0"
     }
   }
 }
diff --git a/main.tf b/main.tf
index 04d56ba..2c2320e 100644
--- a/main.tf
+++ b/main.tf
@@ -99,7 +99,6 @@ resource "azurerm_dns_cname_record" "records_cname" {
   record              = lookup(each.value, "record", null)             # Optional(Conflicts with target_resource_id) {Either record OR target_resource_id must be specified, but not both.}
   target_resource_id  = lookup(each.value, "target_resource_id", null) # Optional(Conflicts with record) {Either records OR target_resource_id must be specified, but not both.}
   tags                = module.labels.tags
-
 }
 
 ##-----------------------------------------------------------------------------
diff --git a/variables.tf b/variables.tf
index d2f1edf..d3dc790 100644
--- a/variables.tf
+++ b/variables.tf
@@ -13,7 +13,7 @@ variable "environment" {
 }
 
 variable "label_order" {
-  type        = list(any)
+  type        = list(string)
   default     = ["name", "environment"]
   description = "Label order, e.g. sequence of application name and environment `name`,`environment`,'attribute' [`webserver`,`qa`,`devops`,`public`,] ."
 }
@@ -31,15 +31,15 @@ variable "repository" {
 }
 
 variable "dns_zone_names" {
-  default     = null
   type        = string
+  default     = null
   description = "The public dns zone to be created for internal vnet resolution"
 
 }
 
 variable "private_dns_zone_name" {
-  default     = null
   type        = string
+  default     = null
   description = "The private dns zone to be created for internal vnet resolution"
 }
 
@@ -50,8 +50,8 @@ variable "resource_group_name" {
 }
 
 variable "private_registration_enabled" {
-  default     = true
   type        = bool
+  default     = true
   description = "Is auto-registration of virtual machine records in the virtual network in the Private DNS zone enabled?"
 }
 variable "enabled" {
@@ -75,19 +75,27 @@ variable "virtual_network_id" {
 }
 
 variable "soa_record_private_dns" {
-  type        = list(any)
+  type        = list(object({}))
   default     = []
   description = "Customize details about the root block device of the instance. See Block Devices below for details."
 }
 
 variable "a_records" {
-  type        = any
+  type = list(object({
+    name    = string
+    ttl     = number
+    records = list(string)
+  }))
   default     = []
   description = "List of a records to be added in azure dns zone."
 }
 
 variable "cname_records" {
-  type        = any
+  type = list(object({
+    name    = string
+    ttl     = number
+    record = string
+  }))
   default     = []
   description = "List of cname records"
 }
@@ -103,7 +111,7 @@ variable "ns_records" {
 }
 
 variable "soa_record" {
-  type        = list(any)
+  type        = list(object({}))
   default     = []
   description = "Customize details about the root block device of the instance. See Block Devices below for details."
 }
diff --git a/versions.tf b/versions.tf
index 5139355..5902724 100644
--- a/versions.tf
+++ b/versions.tf
@@ -7,7 +7,7 @@ terraform {
   required_providers {
     azurerm = {
       source  = "hashicorp/azurerm"
-      version = ">=3.85.0"
+      version = ">=3.86.0"
     }
     random = {
       source  = "hashicorp/random"