Log if host is not configured for server

caddy/letsencrypt/letsencrypt.go

@@ -113,9 +113,6 @@ func MarkQualified(configs []server.Config) {
 // ObtainCerts obtains certificates for all these configs as long as a certificate does not
 // already exist on disk. It does not modify the configs at all; it only obtains and stores
 // certificates and keys to the disk.
-//
-// TODO: Right now by potentially prompting about ToS error, we assume this function is only
-// called at startup, but that is not always the case because it could be during a restart.
 func ObtainCerts(configs []server.Config, altPort string) error {
 	groupedConfigs := groupConfigsByEmail(configs, altPort != "") // don't prompt user if server already running
 

server/server.go

@@ -8,6 +8,7 @@ import (
 	"crypto/x509"
 	"fmt"
 	"io/ioutil"
+	"log"
 	"net"
 	"net/http"
 	"os"
@@ -346,6 +347,7 @@ func (s *Server) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	} else {
 		w.WriteHeader(http.StatusNotFound)
 		fmt.Fprintf(w, "No such host at %s", s.Server.Addr)
+		log.Printf("[INFO] %s - No such host at %s", host, s.Server.Addr)
 	}
 }