From: https://programmersought.com/article/70288998872/ Official parameters of ChromeOptions and ChromePrefs Official parameters for ChromeOptions and ChromePrefs // String specifying the secure DNS mode to use. Any string other than // "secure" or "automatic" will be mapped to the default "off" mode. const char kDnsOverHttpsMode[] = "dns_over_https.mode"; // String containing a space-separated list of DNS over HTTPS templates to use // in secure mode or automatic mode. If no templates are specified in automatic // mode, we will attempt discovery of DoH servers associated with the configured // insecure resolvers. const char kDnsOverHttpsTemplates[] = "dns_over_https.templates";