Hi Jan, > If hints.ai_flags includes the AI_ADDRCONFIG flag, then IPv4 > addresses are returned in the list pointed to by result only
To me this sounds as if the _queries_ will be done anyway. What happens if you disable IPv6 kernel support ? In standard kernels it's a module called ipv6. There doesn't seem to be a boot parameter but you can try to blacklist it in /etc/modprobe.d.
