Blog

  • Chrome and MS Edge Browsers Don’t Work with DNS Changes Made via .mobileconfig on MacOS by Default

    Tony Perez

    If you’re trying to use Encrypted DNS on your MacOS using .mobileconfig files with profiles you might have noticed that Chromium based browsers (e.g., Chrome and MS Edge) don’t respect the settings defined by your profile. This applies to all… Read more →

  • Block Page HTTPS Errors: Installing the CleanBrowsing Root CA

    Tony Perez

    When HTTPS enabled domains are blocked by a policy, CleanBrowsing presents a block page to you which is also served over HTTPS. This block page is encrypted with a certificate signed by the CleanBrowsing Root CA. In order to avoid… Read more →

  • Domain TTL and DNS Filtering

    Tony Perez

    The Time-to-Live (TTL) of a domain is an important parameter that can significantly affect the behavior of Domain Name System (DNS) resolvers. DNS resolvers are the components of the DNS infrastructure that respond to DNS queries from clients and provide… Read more →

  • DNS Record Types

    Tony Perez

    DNS (Domain Name System) is a critical component of the internet that helps users connect to websites and services by translating domain names (such as cleanbrowsing.org) into IP addresses (such as 51.161.115.44). DNS does this by storing information about the… Read more →

  • How CleanBrowsing Categorify Works

    Tony Perez

    CleanBrowsing is a content filtering platform that leverages DNS filtering to create one of the most effective filtering platforms for pornographic and obscene content. But how does the CleanBrowsing filtering work? Hello Categorify – A Domain Categorization Engine At the core of our filtering… Read more →

  • Change DNS on Spectrum (RAC2V1K FW 1.2.4)

    Tony Perez

    If you’re working with spectrum you might need to make your changes via the Spectrum App or router. This article will focus on the router via the RAC2V1K router with Firmware 1.2.4. 1 – Access the Router By default, spectrum… Read more →

  • No Data Available – DNS Inactive

    Tony Perez

    One of the more common issues you might encounter when working with the CleanBrowsing dashboard is the “No Data Available – DNS Not Configured” notice. Contrary to what you might think, this is not an error, it is a notice.… Read more →

  • Common DNS Resolution with Resolvers (DNSSEC)

    Tony Perez

    This article is for technical users. It assumes you understand the mechanics of DNS, and likely manage your own domain zone file. It is specific DNS resolutions issues as they pertain to DNSSEC (good primer on DNSSEC). If you find… Read more →

  • Configure Secure DNS on Chrome (DOH on Chrome)

    Tony Perez

    Configuring DNS-over-HTTPs (DOH) in a Chrome browser can be done locally in a browser using the secure DNS option in the Chrome browser settings. Access the security settings by going here in the Chrome browse: chrome://settings/security Scroll down to the “Use secure DNS“.… Read more →

  • Can CleanBrowsing Block Tor?

    Tony Perez

    CleanBrowsing is a DNS-based resolver. This means it needs fully qualified domain names (FQDN) to work correctly. So when it comes to TOR, we can block this: torproject.org but we can’t block the exit nodes that power TOR. So if… Read more →