Examine source code of Domain IP Tool

{
  "manifest_version": 3,
  "name": "Domain IP Tool",
  "description": "View the IP address and other details of the current website.",
  "version": "2.1",
  "permissions": [
    "activeTab",
    "tabs",
    "storage"
  ],
  "host_permissions": [
    "https://lookup.smc.li/*"
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'; connect-src https://lookup.smc.li/"
  },
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "32": "icon32.png",
      "64": "icon64.png",
      "128": "icon128.png"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{4d592cf0-4d09-4e7a-b1c9-fecfaac62d9e}",
      "strict_min_version": "109.0"
    }
  }
}