diff --git a/internal/authoritative.go b/internal/authoritative.go
index cb6fcc8..be08e48 100644
--- a/internal/authoritative.go
+++ b/internal/authoritative.go
@@ -121,7 +121,15 @@ func handleRequest(w dns.ResponseWriter, r *dns.Msg, zone zoneView) {
 	}
 
 	if len(m.Answer) == 0 {
-		m.SetRcode(m, dns.RcodeNameError)
+		var soa dns.RR
+		for _, v := range zone.rr[dns.TypeSOA] {
+			if len(v) == 1 {
+				soa = v[0]
+			}
+		}
+		if soa != nil {
+			m.Extra = append(m.Extra, soa)
+		}
 	}
 
 	w.WriteMsg(m)
diff --git a/internal/blacklist.go b/internal/blacklist.go
index 49ae789..2634383 100644
--- a/internal/blacklist.go
+++ b/internal/blacklist.go
@@ -12,7 +12,7 @@ import (
 	"github.com/miekg/dns"
 )
 
-const blockTTL uint32 = 300
+const blockTTL uint32 = 604800
 
 var nullIPv4 = net.IPv4(0, 0, 0, 0)
 var nullIPv6 = net.ParseIP("::/0")
@@ -86,12 +86,10 @@ func parseRawBlacklist(blacklist configBlacklist, raw string) []string {
 // parseHostFormat parse the string in the format of a hostfile
 func parseHostFormat(raw string) []string {
 	finalList := make([]string, 0)
-	reg := regexp.MustCompile(`(?mi)^\s*(#*)\s*(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})\s+([a-zA-Z0-9\.\- ]+)$`)
+	reg := regexp.MustCompile(`(?m)^\s*(0\.0\.0\.0) ([a-zA-Z0-9-.]*)`)
 	matches := reg.FindAllStringSubmatch(raw, -1)
 	for _, match := range matches {
-		if match[1] != "#" {
-			finalList = append(finalList, dns.Fqdn(match[3]))
-		}
+		finalList = append(finalList, dns.Fqdn(match[2]))
 	}
 
 	return finalList