Scripting Example - DNS¶

This example demonstrates how to perform a DNS lookup to validate a given host name.

Table Schema¶

Column	Data Type	Primary Key	Auto-generate	Nullable
`HostName`	`NVARCHAR(100)`	No	No	No

Script¶

using System.Net;

string hostName = Row["HostName"].GetValueAsString();

try
{
    IPAddress[] ips = await Dns.GetHostAddressesAsync(hostName);

    if (ips.Length == 0)
    {
        Fail();
    }
}
catch
{
    Fail();
}