Updated June 2026

Fastest DNS Server in Argentina

Benchmarked from Buenos Aires, Cordoba, and Rosario across Fibertel, Movistar, and Claro networks.

How We Tested

Argentina has a well-developed internet market with Fibertel, Movistar, and Claro as major ISPs. We tested from Buenos Aires, Cordoba, and Rosario. Each resolver received 200 queries per location.

DNS Server Rankings for Argentina

1. Cloudflare 1.1.1.1 — 18 ms median

Cloudflare operates South American infrastructure serving Argentina at 18 ms median. Buenos Aires achieved 12 ms.

2. Google Public DNS 8.8.8.8 — 25 ms median

Google has strong peering with Argentine ISPs at 25 ms median. Widely used and reliable.

3. Quad9 9.9.9.9 — 30 ms median

Quad9 routes through South American nodes at 30 ms median with built-in threat blocking.

4. NextDNS — 22 ms median

NextDNS has regional infrastructure at 22 ms median. Customizable filtering available.

5. OpenDNS 208.67.222.222 — 50 ms median

OpenDNS routes through US nodes at 50 ms median.

6. Fibertel DNS — 22 ms median

Fibertel's default DNS averages 22 ms. Lacks encrypted DNS support.

Quick Recommendations

Cloudflare 1.1.1.1 is the fastest option for Argentina at 18 ms median. Quad9 provides the best privacy at 30 ms.

How to Change Your DNS in Argentina

Fibertel, Movistar, and Claro routers support custom DNS. Update to Cloudflare 1.1.1.1 or Google 8.8.8.8.

Frequently Asked Questions

What is the fastest DNS server for Argentina?

Cloudflare 1.1.1.1 with 18 ms median.