pub const LISTEN_ADDRESS: &str = "127.0.0.1:3000";
pub const MAX_CLIENTS: usize = 512;
pub const PATH: &str = "/dns-query";
pub const SERVER_ADDRESS: &str = "9.9.9.9:53";
pub const TIMEOUT_SEC: u64 = 10;
pub const MAX_TTL: u32 = 86400 * 7;
pub const MIN_TTL: u32 = 10;
pub const ERR_TTL: u32 = 2;