diff --git a/lldb/tools/debugserver/source/RNBSocket.cpp b/lldb/tools/debugserver/source/RNBSocket.cpp
--- a/lldb/tools/debugserver/source/RNBSocket.cpp
+++ b/lldb/tools/debugserver/source/RNBSocket.cpp
@@ -50,10 +50,9 @@
     if (inet_pton_result == 1)
       return true;
 
-    struct hostent *host_entry = gethostbyname(hostname);
-    if (host_entry) {
-      std::string ip_str(
-          ::inet_ntoa(*(struct in_addr *)*host_entry->h_addr_list));
+    struct addrinfo *addr = nullptr;
+    if (getaddrinfo(hostname, nullptr, 0, &addr) == 0) {
+      std::string ip_str(::inet_ntoa(addr->ai_addr->sin_addr);
       inet_pton_result = ::inet_pton(AF_INET, ip_str.c_str(), &addr);
       if (inet_pton_result == 1)
         return true;