Cisco Umbrella is described as '(formerly OpenDNS) provides the first line of defense against threats on the internet wherever users go' and is a very popular DNS Resolver in the network & admin category. There are more than 50 alternatives to Cisco Umbrella, not only websites but also apps for a variety of platforms, including Windows, Linux, Mac and Android apps. The best Cisco Umbrella alternative is NextDNS, which is both free and Open Source. Other great sites and apps similar to Cisco Umbrella are 1.1.1.1, Cloudflare, MullvadDNS and AdGuard DNS.
Oracle Cloud Infrastructure DNS (OCI DNS) is the control plane that steers users to various assets on the internet, efficiently directing user, server, and application connectivity across the World Wide Web.
WebTitan is a powerful web filter providing protection from web based security threats and advanced web and dns filtering control to businesses around the world.
SafeDNS provides sophisticated cloud-based and software solutions for web content filtering which increase users' safety online by blocking botnets, malware and phishing resources, filter out most advertising and content users consider inappropriate.
CleanBrowsing is a family and kid-safe way to browse the web without surprises. It Automatically blocks adult content, while still allowing Google, Youtube, Bing and the core of the web to load safely. Easy setup in 5 minutes with nothing to install.
SaferNet creates a Personal Private Network connection that delivers Parental Controls that include, customized URL filtering, mobile device usage scheduling, real time reporting, phishing detection and entourage blocking.
Whalebone enhances DNS security with its protective DNS solutions, offering zero-disruption cybersecurity to millions of people through telcos, ISPs, enterprises, and government/public institutions.
Yandex.DNS is a free, recursive DNS service. Yandex.DNS' servers are located in Russia, CIS countries, and Western Europe. Users' requests are processed by the nearest data center which provides high connection speeds.
Make sure no one can see, track or exploit your browsing data ever again. Encrypt the entire Domain Name System (DNS) level of your computer or any smart device with Transport Layer Security (TLS)[1].
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Dnswarden's customfilter dns option provides me the ability to block ads by choosing the blocklists which I want. Kinda similar to nextdns minus the account creation and custom whitelists.