DNS leak test
See what resolver is answering your DNS queries — and whether it matches the country you appear to be connecting from.
Probing your visible IP…
How a DNS leak happens
Every time your phone resolves example.com, a DNS query goes to a resolver. If your VPN handles DNS properly, that resolver is run by the VPN provider and located near the exit server. If something is misconfigured, the query bypasses the tunnel and goes to your ISP — your ISP then sees every site you visit, even though the actual traffic is encrypted.
Common causes: split tunneling rules that route DNS outside the tunnel, IPv6 DNS over an IPv4-only VPN, or apps that hard-code resolvers like 8.8.8.8 and refuse to use the system one.