Imports github.com/miekg/dns github.com/sajal/mtrparser github.com/turbobytes/geoipdb/iputils Standard library imports context crypto/rand crypto/rsa crypto/sha1 crypto/tls crypto/x509 crypto/x509/pkix encoding/gob encoding/pem errors fmt io io/ioutil log math/big net net/http net/http/httptest net/http/httptrace net/rpc os regexp strconv strings time