diff --git a/packages/backend/src/core/HttpRequestService.ts b/packages/backend/src/core/HttpRequestService.ts
index 34aaada9f2..bd72fefe4f 100644
--- a/packages/backend/src/core/HttpRequestService.ts
+++ b/packages/backend/src/core/HttpRequestService.ts
@@ -148,12 +148,16 @@ export class HttpRequestService {
 	 */
 	public readonly httpsAgent: https.Agent;
 
+	/**
+	 * Get shared DNS resolver
+	 */
+	public readonly lookup: net.LookupFunction;
+
 	constructor(
 		@Inject(DI.config)
 		private config: Config,
 		private readonly apUtilityService: ApUtilityService,
 		private readonly utilityService: UtilityService,
-		private readonly lookup: net.LookupFunction,
 	) {
 		const cache = new CacheableLookup({
 			maxTtl: 3600,	// 1hours
diff --git a/packages/backend/test/unit/core/HttpRequestService.ts b/packages/backend/test/unit/core/HttpRequestService.ts
index 0759306666..ccce32ffee 100644
--- a/packages/backend/test/unit/core/HttpRequestService.ts
+++ b/packages/backend/test/unit/core/HttpRequestService.ts
@@ -9,7 +9,6 @@ import type { PrivateNetwork } from '@/config.js';
 import type { Socket } from 'net';
 import { HttpRequestService, isAllowedPrivateIp, isPrivateUrl, resolveIp, validateSocketConnect } from '@/core/HttpRequestService.js';
 import { parsePrivateNetworks } from '@/config.js';
-import { IPv4 } from 'ipaddr.js';
 
 describe(HttpRequestService, () => {
 	let allowedPrivateNetworks: PrivateNetwork[] | undefined;