Restrict public swarm participation and propagation to real public ICANN domains

Hop-State: A_06FP8GM0PKJTMF45B7016J0
Hop-Proposal: R_06FP8GKFXXZG84ETVCPS5ZG
Hop-Task: T_06FP8F45T3G4Z4ESW9NZQQR
Hop-Attempt: AT_06FP8F45T3QS81M2ZM4SJ3G

package-lock.json

@@ -24,6 +24,7 @@
         "next-auth": "^5.0.0-beta.25",
         "react": "19.2.3",
         "react-dom": "19.2.3",
+        "tldts": "^7.4.8",
         "uuid": "^11.1.0",
         "zod": "^4.3.5"
       },
@@ -9737,6 +9738,24 @@
         "node": ">=14.0.0"
       }
     },
+    "node_modules/tldts": {
+      "version": "7.4.8",
+      "resolved": "https://registry.npmjs.org/tldts/-/tldts-7.4.8.tgz",
+      "integrity": "sha512-htwgN/8KRB3z3vnC0BOETVh2m499g5GmyTK9Wq5JBLX3FNz6tSBveAd+fQhzy9hkjif8vy2jwDMR1sGhLtZl2A==",
+      "license": "MIT",
+      "dependencies": {
+        "tldts-core": "^7.4.8"
+      },
+      "bin": {
+        "tldts": "bin/cli.js"
+      }
+    },
+    "node_modules/tldts-core": {
+      "version": "7.4.8",
+      "resolved": "https://registry.npmjs.org/tldts-core/-/tldts-core-7.4.8.tgz",
+      "integrity": "sha512-c1P7u0EhACHj7lPy4MJm8iTFEU8+nB0LCtddH0fhP7noaVoXAqafMtOOeX+ulpuPBqnrRgRhw494RICT3mbhnw==",
+      "license": "MIT"
+    },
     "node_modules/to-regex-range": {
       "version": "5.0.1",
       "resolved": "https://registry.npmjs.org/to-regex-range/-/to-regex-range-5.0.1.tgz",