public async Task <string> GetHostname(string target)
{
// Example 54.172.75.131 / ec2-54-172-75-131.compute-1.amazonaws.com
NetworkIpResolver resolver = new NetworkIpResolver();
resolver = await this.IPResolver(target);
return(resolver.HostName);
}
public async Task <NetworkIpResolver> IPResolver(string target)
{
NetworkIpResolver resolver = new NetworkIpResolver();
try
{
if (!IPAddress.TryParse(target, out IPAddress ipAddress))
{
throw new Exception("Invalid IP address");
}
resolver = await this._pingReplyService.ExecuteIPAddressResolver(target);
}
catch (Exception ex)
{
resolver.Message = ex.InnerException.Message;
resolver.StackTrace = ex.InnerException.StackTrace;
}
return(resolver);
}
public async Task <NetworkIpResolver> ExecuteIPAddressResolver(string ipAddress)
{
NetworkIpResolver resolver = new NetworkIpResolver();
resolver.IP = ipAddress;
await Task.Run(() =>
{
try
{
// Example "54.172.75.131"
IPHostEntry ipToDomain = Dns.GetHostEntry(ipAddress);
resolver.HostName = ipToDomain.HostName;
}
catch (Exception ex)
{
resolver.HostName = "Unknown";
resolver.Message = ex?.Message;
resolver.StackTrace = ex?.StackTrace;
}
});
return(resolver);
}
