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#include <dns.h>
#include <stdio.h>
int main()
{
struct dns_answers *cur;
const char *server = "1.1.1.1"; /* place your favourite one */
struct dns_answers *ans = dns_get(server, "veresov.pro", dns_type_a);
/* Host is always human-readable domain name of request. */
for (cur = ans; cur; cur = cur->next) {
if (cur->type == dns_type_a) {
/* IP is stored in data as 4 bytes (unsigned chars). */
unsigned char *ip = cur->data;
printf("IP address of %s is %d.%d.%d.%d.\n",
cur->host, ip[0], ip[1], ip[2], ip[3]);
} else if (cur->type == dns_type_cname) {
/* Data is human-readable domain name of response. */
printf("Cannonical name of %s is %s.\n", cur->host, cur->data);
} else if (cur->type == dns_type_txt) {
/* Data is null terminated string of TXT response. */
printf("Text from %s: %s\n", cur->host, cur->data);
} else if (cur->type == dns_type_srv) {
/* SRV answer data is pretty complex,
so functions to access it are provided. */
printf("Service %s is located at %s on port %d "
"with priority %d and weight %d.\n",
cur->host,
dns_srv_server(cur->data), dns_srv_port(cur->data),
dns_srv_priority(cur->data), dns_srv_weight(cur->data));
} else if (cur->type == dns_type_mx) {
/* Same as with SRV, functions provided. */
printf("Mail exchange server for %s with preference %d is %s.\n",
cur->host,
dns_mx_preference(cur->data), dns_mx_server(cur->data));
}
}
dns_free(ans);
return 0;
}
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