CURLINFO_NAMELOOKUP_TIME(3) Library Functions Manual NAME CURLINFO_NAMELOOKUP_TIME - name lookup time SYNOPSIS #include CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_NAMELOOKUP_TIME, double *timep); DESCRIPTION Pass a pointer to a double to receive the total time in seconds from the start until the name resolving was completed. When a redirect is followed, the time from each request is added together. See also the TIMES overview in the curl_easy_getinfo(3) man page. PROTOCOLS This functionality affects all supported protocols EXAMPLE int main(void) { CURL *curl = curl_easy_init(); if(curl) { CURLcode result; double namelookup; curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/"); result = curl_easy_perform(curl); if(result == CURLE_OK) { result = curl_easy_getinfo(curl, CURLINFO_NAMELOOKUP_TIME, &namelookup); if(result == CURLE_OK) { printf("Time: %.1f", namelookup); } } /* always cleanup */ curl_easy_cleanup(curl); } } AVAILABILITY Added in curl 7.4.1 RETURN VALUE curl_easy_getinfo(3) returns a CURLcode indicating success or error. CURLE_OK (0) means everything was OK, non-zero means an error occurred, see libcurl-errors(3). SEE ALSO CURLINFO_NAMELOOKUP_TIME_T(3), curl_easy_getinfo(3), curl_easy_setopt(3) libcurl 2026-06-24 CURLINFO_NAMELOOKUP_TIME(3)