http://curl.haxx.se/mail/lib-2002-01/0076.html
curl_easy_setopt(handle, CURLOPT_DNS_CACHE_TIMEOUT, 15);
With two special cases, 0 and -1... O will completely disable dns caching and -1 will make it so that the DNS cache *never* expires.
http:// curl.haxx. se/mail/ lib-2002- 01/0076. html
curl_ easy_setopt( handle, CURLOPT_ DNS_CACHE_ TIMEOUT, 15);
With two special cases, 0 and -1... O will completely disable dns
caching and -1 will make it so that the DNS cache *never* expires.