diff --git a/src/dnsmasq.h b/src/dnsmasq.h
--- a/src/dnsmasq.h  2018-10-19 02:21:55.000000000 +0800
+++ b/src/dnsmasq.h      2020-01-13 10:38:16.940067371 +0800
@@ -1017,7 +1017,7 @@
   int max_logs;  /* queue limit */
   int cachesize, ftabsize;
   int port, query_port, min_port, max_port;
-  unsigned long local_ttl, neg_ttl, max_ttl, min_cache_ttl, max_cache_ttl, auth_ttl, dhcp_ttl, use_dhcp_ttl;
+  unsigned long local_ttl, neg_ttl, min_ttl, max_ttl, min_cache_ttl, max_cache_ttl, auth_ttl, dhcp_ttl, use_dhcp_ttl;
   char *dns_client_id;
   struct hostsfile *addn_hosts;
   struct dhcp_context *dhcp, *dhcp6;
diff --git a/src/option.c b/src/option.c
--- a/src/option.c   2018-10-19 02:21:55.000000000 +0800
+++ b/src/option.c       2020-01-13 17:21:13.925164926 +0800
@@ -106,6 +106,7 @@
 #define LOPT_PROXY         295
 #define LOPT_GEN_NAMES     296
 #define LOPT_MAXTTL        297
+#define LOPT_MINTTL        397
 #define LOPT_NO_REBIND     298
 #define LOPT_LOC_REBND     299
 #define LOPT_ADD_MAC       300
@@ -282,6 +283,7 @@
     { "dhcp-broadcast", 2, 0, LOPT_BROADCAST },
     { "neg-ttl", 1, 0, LOPT_NEGTTL },
     { "max-ttl", 1, 0, LOPT_MAXTTL },
+    { "min-ttl", 1, 0, LOPT_MINTTL },
     { "min-cache-ttl", 1, 0, LOPT_MINCTTL },
     { "max-cache-ttl", 1, 0, LOPT_MAXCTTL },
     { "dhcp-alternate-port", 2, 0, LOPT_ALTPORT },
@@ -411,6 +413,7 @@
   { 'T', ARG_ONE, "<integer>", gettext_noop("Specify time-to-live in seconds for replies from /etc/hosts."), NULL },
   { LOPT_NEGTTL, ARG_ONE, "<integer>", gettext_noop("Specify time-to-live in seconds for negative caching."), NULL },
   { LOPT_MAXTTL, ARG_ONE, "<integer>", gettext_noop("Specify time-to-live in seconds for maximum TTL to send to clients."), NULL },
+  { LOPT_MINTTL, ARG_ONE, "<integer>", gettext_noop("Specify time-to-live in seconds for minimum TTL to send to clients."), NULL },
   { LOPT_MAXCTTL, ARG_ONE, "<integer>", gettext_noop("Specify time-to-live ceiling for cache."), NULL },
   { LOPT_MINCTTL, ARG_ONE, "<integer>", gettext_noop("Specify time-to-live floor for cache."), NULL },
   { 'u', ARG_ONE, "<username>", gettext_noop("Change to this user after startup. (defaults to %s)."), CHUSER }, 
@@ -2747,6 +2750,7 @@
     case 'T':         /* --local-ttl */
     case LOPT_NEGTTL: /* --neg-ttl */
     case LOPT_MAXTTL: /* --max-ttl */
+    case LOPT_MINTTL: /* --min-ttl */
     case LOPT_MINCTTL: /* --min-cache-ttl */
     case LOPT_MAXCTTL: /* --max-cache-ttl */
     case LOPT_AUTHTTL: /* --auth-ttl */
@@ -2759,6 +2763,8 @@
 	  daemon->neg_ttl = (unsigned long)ttl;
 	else if (option == LOPT_MAXTTL)
 	  daemon->max_ttl = (unsigned long)ttl;
+	else if (option == LOPT_MINTTL)
+	  daemon->min_ttl = (unsigned long)ttl;
 	else if (option == LOPT_MINCTTL)
 	  {
 	    if (ttl > TTL_FLOOR_LIMIT)
diff --git a/src/rfc1035.c b/src/rfc1035.c
--- a/src/rfc1035.c  2018-10-19 02:21:55.000000000 +0800
+++ b/src/rfc1035.c      2020-01-13 17:12:25.455445871 +0800
@@ -664,11 +664,20 @@
 		  GETSHORT(aqtype, p1); 
 		  GETSHORT(aqclass, p1);
 		  GETLONG(attl, p1);
+		  unsigned long mttl = 0;
 		  if ((daemon->max_ttl != 0) && (attl > daemon->max_ttl) && !is_sign)
 		    {
-		      (p1) -= 4;
-		      PUTLONG(daemon->max_ttl, p1);
-		    }
+           mttl = daemon->max_ttl;
+        }
+      if ((daemon->min_ttl != 0) && (attl < daemon->min_ttl) && !is_sign)
+        {
+           mttl = daemon->min_ttl;
+        }
+       if (mttl != 0)
+       {
+          (p1) -= 4;
+          PUTLONG(mttl, p1);
+       }
 		  GETSHORT(ardlen, p1);
 		  endrr = p1+ardlen;
 		  
@@ -755,11 +764,20 @@
 	      GETSHORT(aqtype, p1); 
 	      GETSHORT(aqclass, p1);
 	      GETLONG(attl, p1);
+	      unsigned long mttl = 0;
 	      if ((daemon->max_ttl != 0) && (attl > daemon->max_ttl) && !is_sign)
-		{
-		  (p1) -= 4;
-		  PUTLONG(daemon->max_ttl, p1);
-		}
+          {
+             mttl = daemon->max_ttl;
+          }
+        if ((daemon->min_ttl != 0) && (attl < daemon->min_ttl) && !is_sign)
+          {
+             mttl = daemon->min_ttl;
+          }
+         if (mttl != 0)
+         {
+            (p1) -= 4;
+            PUTLONG(mttl, p1);
+         }
 	      GETSHORT(ardlen, p1);
 	      endrr = p1+ardlen;