Imports
- github.com/prometheus/client_golang/prometheus
- github.com/coredns/coredns/plugin/pkg/tls
- github.com/opentracing/opentracing-go
- github.com/coredns/coredns/plugin
- github.com/miekg/dns
- github.com/coredns/coredns/request
- github.com/coredns/coredns/plugin/pkg/dnsutil
- github.com/coredns/coredns/plugin/metrics
- github.com/mholt/caddy
- github.com/coredns/coredns/plugin/pkg/up
- github.com/coredns/coredns/core/dnsserver