Imports github.com/miekg/dns github.com/sirupsen/logrus gitlab.inf.ethz.ch/PRV-PERRIG/netsec-course/project-acme/netsec-2020-acme/rferreira-acme-project/dnsServer Standard library imports bytes context crypto crypto/ecdsa crypto/elliptic crypto/rand crypto/tls crypto/x509 crypto/x509/pkix encoding/base64 encoding/json encoding/pem fmt io/ioutil net/http strings time