quad9.net
Quad9
Who runs Quad9, what it tracks and what it costs, and the 20 closest public DNS resolver alternatives.
- Who’s behind it
- Not stated
- Online since
- Unknown
- Trackers
- Prices
- No pricing page
- Last price change
- –
- Closest alternative
- NextDNS
Measured from Quad9’s own pages, the Internet Archive and public records. Hover a dotted value for its source and date.
Visit Quad901 · Who’s behind it
Who runs Quad9
Quad9 quad9.net
A public and free DNS service for a better security and privacy
Wikidata: DNS service
- Company
- No imprint we could read
- Online since
- Not in the Internet Archive
- Audience
- In English
02 · Privacy
What Quad9 tracks
What the homepage loads before you accept or decline cookies. A cookie banner should hold most of it back until you agree, and a tag manager can load more that we don’t see.
tracker that follows visitors
11 of the 17 alternatives below have fewer, 3 have more.
Privacy-friendly alternatives →- Cookie banner
- None found
- US company
- 1 tool
Marketing and email tracking
Links visits to email campaigns and customer profiles.
03 · Alternatives
Alternatives to Quad9
Thumbs up if it’s a real alternative to Quad9, thumbs down if it isn’t.
20 of the 60 sites closest to Quad9 match.
- 01
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.
Very close - 02
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.
Very close - 03
NLnet Labs - Home
Research & Development, Internet architecture, DNS, Routing, Stability and Security.
Very close - 04
Control D | DNS Filtering for Every OS
Encrypted DNS filtering trusted by 100M+ users. Blocks malware and trackers on every OS. Flat fee per endpoint. Start free.
Very close - 05
Pi-hole – Network-wide Ad Blocking
ad- and tracker-blocking application
Very close - 06
Internet Corporation for Assigned Names and Numbers (ICANN)
ICANN’s mission is to help ensure a stable, secure, and unified global Internet.
Very close - 07
Hyphanet
free software
Very close - 08
Let's Encrypt
Let's Encrypt is a free, automated, and open Certificate Authority brought to you by the nonprofit Internet Security Research Group (ISRG). Read all about our work in our Annual Report.
Very close - 09
Privacy Guides
Established in 2021, Privacy Guides is the largest impartial, non-profit media outlet focused on finding privacy tools and learning about protecting your digital life.
Very close - 10
I2P - The Invisible Internet Project | EN
I2P is a fully encrypted private network layer. Protect your online activity from surveillance and censorship with built-in end-to-end encryption.
Close - 11
For confidence online | SIDN
At SIDN you can check your .nl domain name. We also can offer you security services, like SIDN BrandGuard.
Close - 12
Privacy Badger | Fight hidden tracking with EFF
open source privacy-enhancing web browser extension
Close - 13
Home Page
API endpoint
Close - 14
DataCite – Connecting Research, Advancing Knowledge - DataCite
international not-for-profit organization which aims to improve data citation
Close - 15
EU.org: free domain names since 1996
Free domain names
Close - 16
Making sure you're not a bot!
French research institution in computer science
Close - 17
Debian -- The Universal Operating System
Debian is an operating system and a distribution of Free Software. It is maintained and updated through the work of many users who volunteer their time and effort.
Close - 18
Internet Assigned Numbers Authority
standards organization overseeing IP addresses
Close - 19
Liberapay
We help you fund the creators and projects you appreciate.
Close - 20 switch.ch No trackers
top level domain of Switzerland
Close
Closest first, by how much each site’s offer resembles Quad9’s. Trackers are counted the same way as above. Highlighted technologies are ones Quad9 uses too. Votes and comments come from visitors and don’t change the order.
04 · History
What changed
Price and policy history →No changes yet. Each new crawl is compared with the last one, and what Quad9 adds, drops or rewrites shows up here.
05 · Details
How we measure
Alternatives are matched by what sites actually offer, from their homepages, Wikidata and a summary by Claude, in any language. Trackers and the rest of the stack come from the homepage’s code and DNS records.
The full technology stack, the competitor map and search numbers · 5 technologies
- Neighbours
- k = 60
- Sites searched
- 9,216
- Vector
- 384-d
- Query
- 44 ms
Competitor map
Each alternative by how close its vector is to Quad9’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). Hover for the numbers, click to jump to it in the list.
similarity × popularity
Built with
- Marketing automation
- Mailchimp TXT v=spf1 a mx include:_spf.quad9.net include:mail.zendesk.com include:s…
- Live chat & support
- Zendesk TXT v=spf1 a mx include:_spf.quad9.net include:mail.zendesk.com include:s…
- Web servers
- nginx header server: nginx/1.22.1
- SaaS tools (verified in DNS)
- Google Search Console TXT google-site-verification=pubFqUAodApNRC6sXcA_NNli9mak_IIlLSu6SWjyvPg
- Slack TXT slack-domain-verification=EhulLkEHEcEGaLail027zEvZEfO54vuTRtNOKfY9
What competitors use
Across the 20 closest sites.
- Google Search Console 15/20
- Cloudflare · not on quad9.net 8/20
- Google Workspace · not on quad9.net 8/20
- Cloudflare DNS · not on quad9.net 7/20
- jQuery · not on quad9.net 6/20
- Zendesk 5/20
- Font Awesome · not on quad9.net 5/20
- Microsoft 365 · not on quad9.net 5/20
- Google Fonts · not on quad9.net 5/20
- cdnjs · not on quad9.net 4/20
- PHP · not on quad9.net 4/20
- Atlassian · not on quad9.net 4/20
- Amazon SES · not on quad9.net 3/20
- Apple Business · not on quad9.net 3/20
- Google Analytics · not on quad9.net 3/20
- jsDelivr · not on quad9.net 3/20