From `run_scheduled_events` in src/or/main.c: ``` /** 9. and if we're a server, check whether our DNS is telling stories to * us. */ if (is_server && time_to_check_for_correct_dns < now) { if (!time_to_check_for_correct_dns) { time_to_check_for_correct_dns = now + 60 + crypto_rand_int(120); } else { dns_launch_correctness_checks(); time_to_check_for_correct_dns = now + 12*3600 + crypto_rand_int(12*3600); } } ``` `is_server` in the outermost `if` statement's condition should be `public_server_mode(options)`.