diff --git a/application/src/types/service.types.ts b/application/src/types/service.types.ts
index 6b987cf..a3b810a 100644
--- a/application/src/types/service.types.ts
+++ b/application/src/types/service.types.ts
@@ -3,6 +3,8 @@ export interface Service {
   id: string;
   name: string;
   url: string;
+  host?: string; // Add host field for PING and TCP services
+  port?: number; // Add port field for TCP services
   type: "HTTP" | "HTTPS" | "TCP" | "DNS" | "PING" | "HTTP" | "http" | "https" | "tcp" | "dns" | "ping" | "smtp" | "icmp";
   status: "up" | "down" | "paused" | "pending" | "warning";
   responseTime: number;
@@ -15,11 +17,15 @@ export interface Service {
   muteAlerts?: boolean; // Keep this to avoid breaking existing code
   alerts?: "muted" | "unmuted"; // Make sure alerts is properly typed as union
   muteChangedAt?: string;
+  domain?: string; // Add domain field for DNS services
 }
 
 export interface CreateServiceParams {
   name: string;
-  url: string;
+  url?: string;
+  host?: string; // Add host field for PING and TCP services
+  port?: number; // Add port field for TCP services
+  domain?: string; // Add domain field for DNS services
   type: string;
   interval: number;
   retries: number;
@@ -35,4 +41,4 @@ export interface UptimeData {
   timestamp: string;
   status: "up" | "down" | "paused" | "pending" | "warning";
   responseTime: number;
-}
+}
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