Imports github.com/AdguardTeam/golibs/log github.com/ameshkov/dnsstamps github.com/miekg/dns golang.org/x/net/http2 github.com/ameshkov/dnscrypt github.com/joomcode/errorx Standard library imports context crypto/tls crypto/x509 encoding/base64 errors fmt io/ioutil net net/http net/url os strings sync time