1 files changed, 17 insertions, 0 deletions
diff --git a/src/@types/lookup-dns-cache.d.ts b/src/@types/lookup-dns-cache.d.ts
new file mode 100644
index 0000000000..ae93cc539b
--- /dev/null
+++ b/src/@types/lookup-dns-cache.d.ts
@@ -0,0 +1,17 @@
+declare module 'lookup-dns-cache' {
+	type IPv4 = 4;
+
+	type IPv6 = 6;
+
+	type Family = IPv4 | IPv6 | undefined;
+
+	interface IRunOptions {
+		family?: Family;
+		all?: boolean;
+	}
+
+	type RunCallback = (error: Error | null, address?: string | string[], family?: Family) => void;
+
+	export function lookup(hostname: string, options: IRunOptions | Family, callback: RunCallback): {} | undefined;
+	export function lookup(hostname: string, callback: RunCallback): {} | undefined;
+}