C-ares

Jul 20, 2023

Asynchronous DNS resolver library

This is c-ares, an asynchronous resolver library. It is intended for applications which need to perform DNS queries without blocking, or need to perform multiple DNS queries in parallel. The primary examples of such applications are servers which communicate with multiple clients and programs with graphical user interfaces.



Checkout these related ports:
  • Zonenotify - DNS notify sender written in C
  • Zonecheck - Perform consistency checks on DNS zones
  • Zkt -
  • Yandex-ddns - Use Yandex DNS as a dynamic DNS provider
  • Yadifa - Authoritative nameserver with DNSSEC capabilities
  • Wrapsrv - DNS SRV record command line wrapper
  • Whoseip - Get information about IP addresses country code and network
  • Wdns - Low-level DNS library
  • Walker - Recover zone file information from servers that use DNSSEC
  • Void-zones-tools - Prepare a list of void zones that can be readily fed into Unbound
  • Vizone - Updates the serial number in one or more zonefiles
  • Vhostcname - Synchronize DNS with server names and aliases from Apache vhost
  • Utdns - Proxy UDP/DNS to TCP/DNS
  • Updatedd - Dynamic DNS Update Client supporting multiple services
  • Unbound - Validating, recursive, and caching DNS resolver