diff --git a/cmd/dirlist.go b/cmd/dirlist.go
index 96ecd98..f013dff 100644
--- a/cmd/dirlist.go
+++ b/cmd/dirlist.go
@@ -5,6 +5,7 @@ import (
 	"net/http"
 	"os"
 	"strconv"
+	"time"
 
 	"github.com/charmbracelet/lipgloss"
 	"github.com/charmbracelet/log"
@@ -26,7 +27,7 @@ var directorystyle = lipgloss.NewStyle().
 	Bold(true).
 	Underline(true)
 
-func Dirlist(size string, url string) {
+func Dirlist(size string, url string, timeout time.Duration) {
 
 	logger := log.NewWithOptions(os.Stderr, log.Options{
 		Prefix: "Dirlist 📂",
@@ -59,7 +60,9 @@ func Dirlist(size string, url string) {
 	}
 
 	// util.InitProgressBar()
-	client := &http.Client{}
+	client := &http.Client{
+		Timeout: timeout,
+	}
 	for _, directory := range directories {
 		log.Debugf("%s", directory)
 		resp, err := client.Get(url + "/" + directory)
diff --git a/cmd/dnslist.go b/cmd/dnslist.go
new file mode 100644
index 0000000..d5cdc83
--- /dev/null
+++ b/cmd/dnslist.go
@@ -0,0 +1,81 @@
+package cmd
+
+import (
+	"bufio"
+	"net/http"
+	"os"
+	"strings"
+	"time"
+
+	"github.com/charmbracelet/lipgloss"
+	"github.com/charmbracelet/log"
+	// "github.com/pushfs/sif/util"
+)
+
+const (
+	dnsURL        = "https://raw.githubusercontent.com/pushfs/sif-runtime/main/dnslist/"
+	dnsSmallFile  = "subdomains-100.txt"
+	dnsMediumFile = "subdomains-1000.txt"
+	dnsBigFile    = "subdomains-10000.txt"
+)
+
+var dnsstyle = lipgloss.NewStyle().
+	Bold(true).
+	Underline(true)
+
+func Dnslist(size string, url string, timeout time.Duration) {
+
+	logger := log.NewWithOptions(os.Stderr, log.Options{
+		Prefix: "Dnslist 📡",
+	})
+	dnslog := logger.With("url", url)
+
+	var list string
+
+	switch size {
+	case "small":
+		list = dnsURL + dnsSmallFile
+	case "medium":
+		list = dnsURL + dnsMediumFile
+	case "large":
+		list = dnsURL + dnsBigFile
+	}
+
+	dnslog.Infof("Starting %s DNS listing", size)
+
+	resp, err := http.Get(list)
+	if err != nil {
+		log.Errorf("Error downloading DNS list: %s", err)
+		return
+	}
+	var dns []string
+	scanner := bufio.NewScanner(resp.Body)
+	scanner.Split(bufio.ScanLines)
+	for scanner.Scan() {
+		dns = append(dns, scanner.Text())
+	}
+
+	// util.InitProgressBar()
+
+	sanitizedURL := strings.Split(url, "://")[1]
+
+	client := &http.Client{
+		Timeout: timeout,
+	}
+	for _, domain := range dns {
+		log.Debugf("Looking up: %s", domain)
+		_, err := client.Get("http://" + domain + "." + sanitizedURL)
+		if err != nil {
+			log.Debugf("Error %s: %s", domain, err)
+		} else {
+			dnslog.Infof("%s %s.%s", statusstyle.Render("[http]"), dnsstyle.Render(domain), sanitizedURL)
+		}
+
+		_, err = client.Get("https://" + domain + "." + sanitizedURL)
+		if err != nil {
+			log.Debugf("Error %s: %s", domain, err)
+		} else {
+			dnslog.Infof("%s %s.%s", statusstyle.Render("[https]"), dnsstyle.Render(domain), sanitizedURL)
+		}
+	}
+}
diff --git a/config.go b/config.go
index 45172fc..c0c96df 100644
--- a/config.go
+++ b/config.go
@@ -3,6 +3,7 @@ package main
 import (
 	"bufio"
 	"os"
+	"time"
 
 	"github.com/charmbracelet/log"
 	"github.com/spf13/pflag"
@@ -11,17 +12,28 @@ import (
 type Settings struct {
 	URLs    []string
 	Dirlist string
+	Dnslist string
+	Debug   bool
+	Timeout time.Duration
 }
 
 func parseURLs() Settings {
+	var debug = pflag.BoolP("debug", "d", false, "Enable debug logging")
+
+	var timeout = pflag.DurationP("timeout", "t", 10*time.Second, "General http timeout value - Default is 10 seconds")
+
 	var url = pflag.StringArrayP("url", "u", []string{}, "URL to check")
 	var file = pflag.StringP("file", "f", "", "File that includes URLs to check")
-	var dirlist = pflag.String("dirlist", "none", "Dirlist scan size (small, medium, large)")
+	var dirlist = pflag.String("dirlist", "none", "Directory fuzzing scan size (small, medium, large)")
+	var dnslist = pflag.String("dnslist", "none", "DNS fuzzing scan size (small, medium, large)")
 	pflag.Parse()
 
 	if len(*url) > 0 {
 		return Settings{
+			Debug:   *debug,
+			Timeout: *timeout,
 			Dirlist: *dirlist,
+			Dnslist: *dnslist,
 			URLs:    *url,
 		}
 	} else if *file != "" {
@@ -44,7 +56,10 @@ func parseURLs() Settings {
 		}
 
 		return Settings{
+			Timeout: *timeout,
+			Debug:   *debug,
 			Dirlist: *dirlist,
+			Dnslist: *dnslist,
 			URLs:    urls,
 		}
 	}
diff --git a/main.go b/main.go
index ca4e73e..3bbc4d2 100644
--- a/main.go
+++ b/main.go
@@ -26,13 +26,19 @@ func main() {
 	fmt.Println(style.Render("       _____________\n__________(_)__  __/\n__  ___/_  /__  /_  \n_(__  )_  / _  __/  \n/____/ /_/  /_/"))
 	fmt.Println(subline.Render("https://sif.sh - man's best friend"))
 
-	log.Info("Hello World!")
-
 	settings := parseURLs()
+
+	if settings.Debug {
+		log.SetLevel(log.DebugLevel)
+	}
+
 	for _, url := range settings.URLs {
 		log.Infof("Looking up %s...", url)
 		if settings.Dirlist != "none" {
-			cmd.Dirlist(settings.Dirlist, url)
+			cmd.Dirlist(settings.Dirlist, url, settings.Timeout)
+		}
+		if settings.Dnslist != "none" {
+			cmd.Dnslist(settings.Dnslist, url, settings.Timeout)
 		}
 	}
 }