diff --git a/source/redirect/base.ts b/source/redirect/base.ts
index 376199b..76f0549 100644
--- a/source/redirect/base.ts
+++ b/source/redirect/base.ts
@@ -2,8 +2,21 @@ import {HostnameParameters} from './hostname.js';
 
 export type RedirectParameters = HostnameParameters;
 
+export type Matcher = {
+  matchType: 'hostname';
+  toMatch: string;
+};
+
 export abstract class Redirect<P extends RedirectParameters> {
-  constructor(public parameters: P) {}
+  constructor(public parameters: P & Matcher) {}
+
+  public isMatch(url: URL): boolean {
+    if (this.parameters.matchType === 'hostname') {
+      return url.hostname === this.parameters.toMatch;
+    }
+
+    return false;
+  }
 
   public abstract redirect(url: URL | string): URL;
 }
diff --git a/source/redirect/exports.ts b/source/redirect/exports.ts
index 0b5e5f2..6a71e66 100644
--- a/source/redirect/exports.ts
+++ b/source/redirect/exports.ts
@@ -1,4 +1,3 @@
-import {RedirectParameters} from './base.js';
 import {HostnameRedirect} from './hostname.js';
 
 export * from './base.js';
@@ -6,7 +5,7 @@ export * from './hostname.js';
 
 export type Redirects = HostnameRedirect;
 
-export function parseRedirect<P extends RedirectParameters>(
+export function parseRedirect<P extends Redirects['parameters']>(
   parameters: P,
 ): Redirects | undefined {
   if (parameters.type === 'hostname') {