Sites like OpenDNS

01 · Entity

About OpenDNS

OpenDNS opendns.com

Wikidata: company

Top 1K · #392 4 technologies Crawled Nov 6, 2026

Summary by Claude

OpenDNS, owned by Cisco, provides public recursive DNS resolution with phishing protection and optional content filtering for home users, plus the Umbrella cloud security suite that protects businesses from malware, botnets and phishing at the DNS layer.

Who it’s for

Home users, schools and businesses

Business model

Free tier plus paid subscriptions

• DNS security
• public DNS resolver
• DNS content filtering
• phishing protection
• parental controls
• Cisco Umbrella
• malware blocking
• FamilyShield

02 · Embedding space

Competitor map

Each alternative by how close its vector is to OpenDNS’s (x) and how much traffic it gets, how much of the stack it shares, or where it sits in the embedding space itself (y). Lines split each axis at the median. Hover for the numbers, click to jump to it in the list.

We can’t read opendns.com’s homepage (UND_ERR_CONNECT_TIMEOUT), so it’s compared on what Wikidata and Wikipedia say about it.

1. 01
   NextDNS nextdns.io Top 10K English

   NextDNS - The new firewall for the modern Internet

   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.

   • Google Search Console
   • Zendesk
   • Cloudflare
   • Cloudflare DNS
   • Google Workspace
   • Next.js

   0 say NextDNS is a good alternative to OpenDNS 0 say NextDNS isn’t a real alternative to OpenDNS

   Comment
   Very close cos 0.922
2. 02
   NLnet Labs nlnetlabs.nl Top 10K English

   NLnet Labs - Home

   Research & Development, Internet architecture, DNS, Routing, Stability and Security.

   • Adobe Fonts
   • Bootstrap
   • Font Awesome
   • Google Workspace
   • jQuery
   • nginx

   0 say NLnet Labs is a good alternative to OpenDNS 0 say NLnet Labs isn’t a real alternative to OpenDNS

   Comment
   Very close cos 0.900
3. 03
   AdGuard DNS adguard-dns.com Top 10K English

   AdGuard DNS — ad-blocking DNS server

   Create your ad-blocking DNS server that will protect your personal data, prevent tracking and allow you to control access to specific content on the Internet.

   • Amazon SES
   • Google Search Console
   • Zendesk
   • Cloudflare
   • Cloudflare DNS
   • Google Workspace

   0 say AdGuard DNS is a good alternative to OpenDNS 0 say AdGuard DNS isn’t a real alternative to OpenDNS

   Comment
   Close cos 0.892
4. 04
   Network Solutions networksolutions.com Top 10K English

   Security check | Network Solutions

   American-based technology company and a subsidiary of Web.com

   • Google Search Console
   • Cloudflare
   • Cloudflare DNS
   • Meta Business Suite
   • Microsoft 365
   • OpenAI

   0 say Network Solutions is a good alternative to OpenDNS 0 say Network Solutions isn’t a real alternative to OpenDNS

   Comment
   Close cos 0.887
5. 05
   Internet Systems Consortium isc.org Top 10K

   development and dissemination of internet software and tools

   • Google Search Console
   • GlobalSign
   • Mailchimp
   • Salesforce

   0 say Internet Systems Consortium is a good alternative to OpenDNS 0 say Internet Systems Consortium isn’t a real alternative to OpenDNS

   Comment
   Close cos 0.885
6. 06
   Quad9 quad9.net Top 10K English

   Quad9 | A public and free DNS service for a better security and privacy

   A public and free DNS service for a better security and privacy

   • Google Search Console
   • Zendesk
   • Mailchimp
   • nginx
   • Slack

   0 say Quad9 is a good alternative to OpenDNS 0 say Quad9 isn’t a real alternative to OpenDNS

   Comment
   Close cos 0.884
7. 07
   easyDNS easydns.com Top 10K English

   easyDNS - DNS, Domains, Web and Email Hosting Since 1998

   The DNS Professionals: Anycast, Dynamic DNS, Enterprise DNS, Secondary DNS with TSIG, DNSSEC. We also offer web hosting, email and VPS. Amazing Support.

   • Google Search Console
   • Adobe Fonts
   • Apache HTTP Server
   • Bootstrap
   • Font Awesome
   • Google Analytics

   0 say easyDNS is a good alternative to OpenDNS 0 say easyDNS isn’t a real alternative to OpenDNS

   Comment
   Close cos 0.885
8. 08
   Cloudflare cloudflare.com Top 100 English

   Cloudflare: Build for the agent era

   Welcome to Cloudflare - Powering the next generation of applications

   • Google Search Console
   • Zendesk
   • Apple Business
   • Astro
   • Atlassian
   • Canva

   0 say Cloudflare is a good alternative to OpenDNS 0 say Cloudflare isn’t a real alternative to OpenDNS

   Comment
   Close cos 0.883
9. 09
   ClouDNS cloudns.net Top 1K English

   Free DNS hosting, Cloud DNS hosting and Domain names | ClouDNS

   ClouDNS provides Free DNS, Cloud DNS, Managed DNS, GeoDNS and DDoS Protected DNS hosting with included web redirects, mail forwards and Round-Robin load balancing. Instant updates in Europe, North and South America, Asia and Australia.

   • Google Search Console
   • Google Analytics
   • Google Workspace
   • jQuery
   • nginx

   0 say ClouDNS is a good alternative to OpenDNS 0 say ClouDNS isn’t a real alternative to OpenDNS

   Comment
   Close cos 0.881
10. 10
    Dynu dynu.com Top 10K English

    Free dynamic DNS service | Dynu Systems, Inc.

    Dynu Systems, Inc. provides free dynamic DNS service as well as other services such as domain registration, email and SSL services.

    • Google Search Console
    • ASP.NET
    • Bing Webmaster Tools
    • Google Analytics
    • Google Fonts
    • Yandex Webmaster

    0 say Dynu is a good alternative to OpenDNS 0 say Dynu isn’t a real alternative to OpenDNS

    Comment
    Close cos 0.884
11. 11
    DNS Made Easy dnsmadeeasy.com Top 1K English

    Managed DNS Business Services & Solutions Provider | a DigiCert Company

    DNS Made Easy powered by DigiCert provides high-performance managed DNS services with 100% uptime, low-latency resolution, enhanced security, and simplified DNS management.

    • Google Search Console
    • Zendesk
    • Adobe Experience Manager
    • Adobe Experience Platform Tags
    • Google Workspace
    • Imperva

    0 say DNS Made Easy is a good alternative to OpenDNS 0 say DNS Made Easy isn’t a real alternative to OpenDNS

    Comment
    Close cos 0.879
12. 12
    brightcloud.com Top 10K English

    Enterprise Threat Intelligence Services & Solutions

    Our threat intelligence services secure businesses & their products worldwide utilizing AI & a global sensor network to strengthen & secure partner solutions.

    • Amazon SES
    • Google Search Console
    • Akamai
    • Google Workspace
    • Microsoft 365
    • Proofpoint

    0 say brightcloud.com is a good alternative to OpenDNS 0 say brightcloud.com isn’t a real alternative to OpenDNS

    Comment
    Close cos 0.872
13. 13
    EuroDNS eurodns.com Top 10K English

    EuroDNS: Domains, Hosting & Web Essentials All In One Place

    Find a domain, launch your website, and make it happen with us! From hosting, to SSL, to branded email: EuroDNS has everything you need in one place.

    • Google Search Console
    • Apple Business
    • Atlassian
    • GlobalSign
    • Google Fonts
    • Google Tag Manager

    0 say EuroDNS is a good alternative to OpenDNS 0 say EuroDNS isn’t a real alternative to OpenDNS

    Comment
    Close cos 0.877
14. 14
    Cisco cisco.com Top 1K English

    AI Infrastructure, Secure Networking, and Software Solutions - Cisco

    Cisco is a worldwide technology leader powering an inclusive future for all. Learn more about our products, services, solutions, and innovations.

    • DocuSign
    • Google Search Console
    • Adobe
    • Adobe Analytics
    • Adobe Experience Manager
    • Akamai

    0 say Cisco is a good alternative to OpenDNS 0 say Cisco isn’t a real alternative to OpenDNS

    Comment
    Close cos 0.875
15. 15
    afraid.org Top 10K English

    FreeDNS - Free DNS - Dynamic DNS - Static DNS subdomain and domain hosting

    Free DNS hosting, lets you fully manage your own domain. Dynamic DNS and Static DNS services available. You may also create hosts off other domains that we host upon the domain owners consent, we have several domains to choose from!

    • nginx

    0 say afraid.org is a good alternative to OpenDNS 0 say afraid.org isn’t a real alternative to OpenDNS

    Comment
    Close cos 0.876
16. 16
    Duck DNS duckdns.org Top 1K

    Duck DNS

    Duck DNS free dynamic DNS hosted on Amazon VPC

    • Google Search Console
    • Amazon Web Services
    • Google Analytics
    • Google Workspace
    • Java
    • jQuery

    0 say Duck DNS is a good alternative to OpenDNS 0 say Duck DNS isn’t a real alternative to OpenDNS

    Comment
    Close cos 0.876
17. 17
    Spamhaus spamhaus.org Top 1K English

    Strengthening trust and safety across the internet | Spamhaus

    Strengthening trust and safety online through IP and domain reputation intelligence, expertise, education, and community collaboration.

    • Google Search Console
    • Algolia
    • Cloudflare
    • Google Fonts
    • Google Tag Manager
    • Nuxt

    0 say Spamhaus is a good alternative to OpenDNS 0 say Spamhaus isn’t a real alternative to OpenDNS

    Comment
    Close cos 0.871
18. 18
    Infomaniak SA infomaniak.com Top 10K English

    Control your data governance with an independent cloud. Solutions hosted in the heart of Europe, designed to protect your confidentiality.

    • Google Search Console
    • Apple Business
    • Atlassian
    • Gatsby
    • Mailgun
    • React

    0 say Infomaniak SA is a good alternative to OpenDNS 0 say Infomaniak SA isn’t a real alternative to OpenDNS

    Comment
    Close cos 0.874
19. 19
    Drupal drupal.org Top 10K English

    Client Challenge

    free and open-source web content management system

    • Amazon SES
    • Google Search Console
    • Atlassian
    • Fastly
    • GlobalSign
    • Mailchimp

    0 say Drupal is a good alternative to OpenDNS 0 say Drupal isn’t a real alternative to OpenDNS

    Comment
    Close cos 0.874
20. 20
    openSUSE opensuse.org Top 10K English

    openSUSE - Free Linux operating systems for desktops, servers and containers

    openSUSE makes open source Linux operating systems, available for free in several flavors.

    • Google Search Console
    • Matomo

    0 say openSUSE is a good alternative to OpenDNS 0 say openSUSE isn’t a real alternative to OpenDNS

    Comment
    Close cos 0.870

Ranked by score: the cosine similarity of each site’s vector to opendns.com’s, less a small penalty for generic sites that are close to everything. Highlighted technologies are ones OpenDNS uses too. Votes and comments come from visitors and don’t change the ranking.

04 · Fingerprints

Technology

What OpenDNS is built with, and what its closest competitors use, from its homepage’s code and its DNS records.