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package main
import (
"net"
"net/http"
"time"
"github.com/miekg/dns"
log "github.com/sirupsen/logrus"
)
func main() {
go func() {
mux := dns.NewServeMux()
mux.HandleFunc(".", func(w dns.ResponseWriter, r *dns.Msg) {
m := new(dns.Msg)
m.SetReply(r)
m.RecursionAvailable = true
for _, q := range m.Question {
if q.Qtype == dns.TypeA {
m.Answer = append(m.Answer, &dns.A{
Hdr: dns.RR_Header{
Name: q.Name,
Rrtype: dns.TypeA,
Class: dns.ClassINET,
Ttl: 0,
},
A: net.ParseIP("1.2.3.4"),
})
}
}
if err := w.WriteMsg(m); err != nil {
log.Error(err)
}
})
if err := dns.ListenAndServe(":53", "udp", mux); err != nil {
log.Fatal(err)
}
}()
mux := http.NewServeMux()
mux.HandleFunc("/", func(writer http.ResponseWriter, _ *http.Request) {
_, _ = writer.Write([]byte(`Hello world!`))
})
s := &http.Server{
Addr: ":8080",
Handler: mux,
ReadTimeout: 10 * time.Second,
WriteTimeout: 10 * time.Second,
}
log.Fatal(s.ListenAndServe())
}
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