Cloudflare 1.1.1.1 DNS Resolver Passes Independent Privacy Audit After Eight Years
Privacy Promises Kept: Cloudflare DNS Audit Results
Eight years after launching the 1.1.1.1 public DNS resolver with the promise of a faster, more private Internet, Cloudflare has shared the results of its latest independent privacy examination. The verdict: privacy protections are working exactly as promised.
The 1.1.1.1 Story
Launched on April 1, 2018, Cloudflare 1.1.1.1 was designed to be the fastest, most privacy-focused public DNS resolver available. Key promises:
- No IP addresses logged by default
- No selling of DNS query data to advertisers
- Support for DNS over HTTPS (DoH) and DNS over TLS (DoT)
- Annual independent audits to verify privacy claims
Audit Findings
The independent examination confirmed that:
- DNS query data is not being sold or shared with third parties for advertising
- IP address logging is disabled by default and only enabled temporarily for debugging
- Data retention policies are being followed correctly
- The DNS encryption protocols (DoH/DoT) are functioning as designed
Why This Matters
DNS is often described as the phonebook of the Internet — every website visit starts with a DNS query. This makes DNS resolvers incredibly powerful surveillance points:
- An unencrypted DNS query reveals every website a user visits
- ISPs and governments routinely monitor DNS traffic
- Advertising companies use DNS data for profiling
By providing an audited, encrypted DNS resolver that does not monetize user data, Cloudflare offers a meaningful alternative to ISP-provided DNS.
The Bigger Picture
In an era of increasing online surveillance, DNS privacy is one of the most impactful but least discussed aspects of Internet freedom. Cloudflare 1.1.1.1 now serves billions of queries daily, and this audit confirms that the project has maintained its founding principles.
For users who want to verify their DNS provider claims, independent audits like this set a gold standard that all DNS providers should follow.