diff -u -r ../nmap-7.01/nmap_dns.cc ./nmap_dns.cc
--- ../nmap-7.01/nmap_dns.cc	2015-10-07 13:49:24.000000000 -0400
+++ ./nmap_dns.cc	2015-12-15 18:49:27.994641597 -0500
@@ -959,9 +959,9 @@
   char fmt[32];
   char ipaddr[INET6_ADDRSTRLEN+1];
 
-  fp = fopen("/etc/resolv.conf", "r");
+  fp = fopen("@TERMUX_PREFIX@/etc/resolv.conf", "r");
   if (fp == NULL) {
-    if (firstrun) error("mass_dns: warning: Unable to open /etc/resolv.conf. Try using --system-dns or specify valid servers with --dns-servers");
+    if (firstrun) error("mass_dns: warning: Unable to open $PREFIX/etc/resolv.conf. Try using --system-dns or specify valid servers with --dns-servers");
     return;
   }