Examine source code of DigInterface Tools

{
  "manifest_version": 3,
  "name": "DigInterface Tools",
  "version": "1.0.0",
  "description": "DNS lookup, email header analysis, SSL, blacklist, WHOIS, SPF & propagation checks — right from your toolbar.",
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    },
    "default_title": "DigInterface Tools"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "permissions": [
    "contextMenus",
    "activeTab",
    "storage"
  ],
  "host_permissions": [
    "https://www.diginterface.com/*"
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "diginterface-tools@diginterface.com",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "authenticationInfo",
          "personalCommunications",
          "websiteContent"
        ]
      }
    }
  }
}