Imports github.com/miekg/dns golang.org/x/net/icmp golang.org/x/net/ipv4 golang.org/x/net/ipv6 github.com/coredns/caddy github.com/coredns/coredns/core/dnsserver github.com/coredns/coredns/plugin github.com/coredns/coredns/request github.com/quic-go/quic-go/http3 Standard library imports bufio context crypto/tls errors fmt io net net/http net/url os reflect strconv strings sync sync/atomic syscall time math/rand/v2