fix: domain validation false negative on servers with multiple IPs

Validate against the server's SSH IP plus its detected public egress
IP, instead of only the stored SSH address.

Fixes #4658

apps/dokploy/components/dashboard/application/domains/show-domains.tsx

@@ -191,8 +191,7 @@ export const ShowDomains = ({ id, type }: Props) => {
 		try {
 			const result = await validateDomain({
 				domain: host,
-				serverIp:
-					application?.server?.ipAddress?.toString() || ip?.toString() || "",
+				serverId: application?.serverId ?? undefined,
 			});
 
 			setValidationStates((prev) => ({

apps/dokploy/server/api/routers/domain.ts

@@ -7,6 +7,7 @@ import {
 	findPreviewDeploymentById,
 	findServerById,
 	generateTraefikMeDomain,
+	getServerIpCandidates,
 	getWebServerSettings,
 	manageDomain,
 	removeDomain,
@@ -248,10 +249,11 @@ export const domainRouter = createTRPCRouter({
 		.input(
 			z.object({
 				domain: z.string(),
-				serverIp: z.string().optional(),
+				serverId: z.string().optional(),
 			}),
 		)
 		.mutation(async ({ input }) => {
-			return validateDomain(input.domain, input.serverIp);
+			const expectedIps = await getServerIpCandidates(input.serverId);
+			return validateDomain(input.domain, expectedIps);
 		}),
 });