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 iPhone 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, AdGuard DNS and DNS4EU.
NextDNS protects you from all kinds of security threats, blocks ads and trackers on websites and in apps and provides a safe and supervised Internet for kids — on all devices and on all networks.
Designed by CloudFlare, this DNS resolver focuses on speed and privacy, ensuring no user data is sold. Mobile apps extend protections with WARP VPN, enhancing browsing security, performance, and offering anti-malware features. Aimed at tech-savvy and general audiences alike.
Delivers SaaS transparent proxy to shield websites, integrating dynamic DNS, global CDN, and web application firewall; blocks DDoS and targeted attacks, optimizes traffic for speed, reduces server load, analyzes threats, supports flexible deployment, and caching features.
Cloud DNS blocks ads, trackers, and malicious domains for all devices, provides real-time request stats, customizable filtering, parental controls, and a web dashboard. Compatible with routers, enables safer browsing, and ensures a privacy-focused internet experience.
Join DNS4EU, an EU initiative providing secure, private, and reliable DNS services for users across Europe.
Quad9 is a free, recursive, anycast DNS platform that provides end users robust security protections, high-performance, and privacy.
Our public DNS service offers DNS over HTTPS (DoH) and DNS over TLS (DoT), with QNAME minimization and basic ad blocking.
Control D is a modern and customizable DNS service that blocks threats, unwanted content and ads - on all devices. Onboard in minutes, and forget about it.
Blokada is the popular ad blocker and privacy app for Android and iOS. It's being supported and actively developed by the amazing open source community.
DNSCrypt is a protocol that authenticates communications between a DNS client and a DNS resolver. It prevents DNS spoofing. It uses cryptographic signatures to verify that responses originate from the chosen DNS resolver and haven't been tampered with.
A free, global DNS resolution service that you can use as an alternative to your current DNS provider.
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It's not public DNS service!!!