• Domains to Block Instagram

    If you manage a network at home, or an office, you might want to take control of what is happening on your network. There are different solutions available, but one of the most effective options is to leverage the Domain Name System (DNS). Because of how DNS works, you don’t…

  • How to Control DNS on a Network with IPTables and DNAT

    Most routers allow you to define the DNS server to be used by all devices on your network via DHCP (Dynamic Host Configuration Protocol). That’s what makes it possible to use the CleanBrowsing content filtering service to protect all devices on the network. While effective, there are instances where a…

  • Data Retention and Log Management with Trunc

    CleanBrowsing has partnered with Trunc to offer easy, affordable, log management and retention of DNS traffic. This integration is available to all CleanBrowsing customers, and requires a separate Trunc account. Configure CleanBrowsing with Trunc Configuration of Trunc with CleanBrowsing occurs in the CleanBrowsing Data Retention panel. Here you will see…

  • Block Page HTTPS Errors: Installing the CleanBrowsing Root CA

    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 certificate errors when accessing the block page, you must install…

  • Domain TTL and DNS Filtering

    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 them with the IP addresses associated with domain names. TTL…

  • DNS Record Types

    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 domain (e.g., cleanbrowsing.org) in what is known as “records”. Think…

  • How CleanBrowsing Categorify Works

    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 technology, you will find Categorify. Categorify is a free tool that…

  • Change DNS on Spectrum (RAC2V1K FW 1.2.4)

    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 routers are typically accessed here: 192.168.1.1. But it can be…

  • No Data Available – DNS Inactive

    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. This only occurs when the platform is not seeing traffic…