Add non-public TLD handling to DomainUnregisteredState component

components/brand-icons.tsx

@@ -1,5 +1,3 @@
-import type React from "react";
-
 interface IconProps {
   className?: string;
 }

components/domain/domain-unregistered-state.tsx

@@ -1,5 +1,6 @@
 import { ShoppingCart } from "lucide-react";
 import { Button } from "@/components/ui/button";
+import { NONPUBLIC_TLDS } from "@/lib/constants";
 
 interface DomainUnregisteredStateProps {
   domain: string;
@@ -8,6 +9,10 @@ interface DomainUnregisteredStateProps {
 export function DomainUnregisteredState({
   domain,
 }: DomainUnregisteredStateProps) {
+  const lower = (domain ?? "").toLowerCase();
+  const isNonPublicTld = NONPUBLIC_TLDS.some((suffix) =>
+    lower.endsWith(suffix),
+  );
   return (
     <div
       className="relative overflow-hidden rounded-3xl border border-black/10 bg-background/60 p-8 text-center shadow-2xl shadow-black/10 backdrop-blur-xl supports-[backdrop-filter]:bg-background/60 dark:border-white/10"
@@ -23,31 +28,35 @@ export function DomainUnregisteredState({
       <p className="mt-2 text-muted-foreground text-sm sm:text-base">
         appears to be unregistered.
       </p>
-      <div className="mt-5 flex justify-center">
-        <Button size="lg" variant="outline" asChild>
-          <a
-            href={`https://porkbun.com/checkout/search?q=${domain}`}
-            target="_blank"
-            rel="noopener"
-            aria-label="Register this domain"
-          >
-            <ShoppingCart />
-            Until now?
-          </a>
-        </Button>
-      </div>
-      <p className="mt-6 text-muted-foreground text-xs">
-        This is not an affiliate link, but it{" "}
-        <a
-          href="https://jarv.is/contact"
-          target="_blank"
-          rel="noopener"
-          className="text-foreground/85 underline underline-offset-2 hover:text-foreground/60"
-        >
-          might be
-        </a>{" "}
-        in the future.
-      </p>
+      {!isNonPublicTld && (
+        <>
+          <div className="mt-5 flex justify-center">
+            <Button size="lg" variant="outline" asChild>
+              <a
+                href={`https://porkbun.com/checkout/search?q=${domain}`}
+                target="_blank"
+                rel="noopener"
+                aria-label="Register this domain"
+              >
+                <ShoppingCart />
+                Until now?
+              </a>
+            </Button>
+          </div>
+          <p className="mt-6 text-muted-foreground text-xs">
+            This is not an affiliate link, but it{" "}
+            <a
+              href="https://jarv.is/contact"
+              target="_blank"
+              rel="noopener"
+              className="text-foreground/85 underline underline-offset-2 hover:text-foreground/60"
+            >
+              might be
+            </a>{" "}
+            in the future.
+          </p>
+        </>
+      )}
     </div>
   );
 }

components/hybrid-tooltip.tsx

@@ -1,6 +1,5 @@
 "use client";
 
-import type * as React from "react";
 import { createContext, useContext, useMemo } from "react";
 import {
   Popover as UiPopover,

lib/constants.ts

@@ -19,4 +19,28 @@ export const BLACKLISTED_SUFFIXES: readonly string[] = [
   ".ts.map",
   ".mjs.map",
   ".cjs.map",
+
+  // other
+  ".arpa",
+];
+
+// TLDs or domain suffixes that are not generally available to the public.
+// This is a small, non-exhaustive list that can be expanded over time.
+// Values should be lowercase and include the leading dot for suffix matching.
+export const NONPUBLIC_TLDS: readonly string[] = [
+  ".edu", // US accredited post-secondary institutions
+  ".gov", // US government
+  ".mil", // US military
+  ".int", // International treaty-based orgs
+  ".gov.uk", // UK government
+  ".ac.uk", // UK academia
+  ".aero",
+  ".coop",
+  ".museum",
+  ".jobs",
+  ".travel",
+  ".post",
+  ".tel",
+
+  // TODO: add brands (.google, .amazon, etc.)
 ];