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.
Benchmarked from Buenos Aires, Cordoba, and Rosario across Fibertel, Movistar, and Claro networks.
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.
Cloudflare operates South American infrastructure serving Argentina at 18 ms median. Buenos Aires achieved 12 ms.
Google has strong peering with Argentine ISPs at 25 ms median. Widely used and reliable.
Quad9 routes through South American nodes at 30 ms median with built-in threat blocking.
NextDNS has regional infrastructure at 22 ms median. Customizable filtering available.
OpenDNS routes through US nodes at 50 ms median.
Fibertel's default DNS averages 22 ms. Lacks encrypted DNS support.
Cloudflare 1.1.1.1 is the fastest option for Argentina at 18 ms median. Quad9 provides the best privacy at 30 ms.
Fibertel, Movistar, and Claro routers support custom DNS. Update to Cloudflare 1.1.1.1 or Google 8.8.8.8.
Cloudflare 1.1.1.1 with 18 ms median.