Sergei Mamonov

https://github.com/mrqwer88/dog/commit/7acfc357b3b3b3e38e3de33cc830c8b9bb197e44 write prototype for it. Should be more dig-like - ``` ./target/release/dog -x -q 127.0.0.1 -q 1.1.1.1 -q 2a00:1450:400f:80a::200e PTR 1.0.0.127.in-addr.arpa. 3h00m00s "localhost." PTR 1.1.1.1.in-addr.arpa. 22m26s "one.one.one.one." PTR e.0.0.2.0.0.0.0.0.0.0.0.0.0.0.0.a.0.8.0.f.0.0.4.0.5.4.1.0.0.a.2.ip6.arpa. 22h36m46s...