mhost 0.0.7

Like `host`, but uses multiple DNS servers massively parallel and compares results
Documentation
// Arbitrary list of public DNS servers
pub static DEFAULT_DNS_SERVERS: &'static [&str] = &[
    // "Level3",
    "209.244.0.3",
    "209.244.0.4",
    // "Verisign",
    "64.6.64.6",
    "64.6.65.6",
    // "Google",
    "8.8.8.8",
    "8.8.4.4",
    // "DNS.WATCH",
    "84.200.69.80",
    "84.200.70.40",
    // "OpenDNS Home",
    "208.67.222.222",
    "208.67.220.220",
    // "SafeDNS",
    "195.46.39.39",
    "195.46.39.40",
    // "Dyn",
    "216.146.35.35",
    "216.146.36.36",
    // "FreeDNS",
    "37.235.1.174",
    "37.235.1.177",
    // "Alternate DNS",
    "198.101.242.72",
    "23.253.163.53",
];

pub static DEFAULT_RECORD_TYPES: &'static [&str] = &["a", "aaaa", "mx"];