Parameters

address

A string containing an IP address.

Returns

A System.Net.IPHostEntry instance containing the host information.

Permissions

Type	Reason
System.Net.DnsPermission	Requires unrestricted permission for accessing DNS information. See System.Net.DnsPermission and System.Security.Permissions.PermissionState.Unrestricted.

Exceptions

Type	Reason
ArgumentNullException	address is null .
FormatException	address is not a valid IP address.
System.Net.Sockets.SocketException	An error was encountered executing the DNS query .
System.Security.SecurityException	The caller does not have permission to access DNS information.

Remarks

The IP address specified by the address parameter is required to be in dotted-quad notation (for example, "192.168.1.2").

Requirements

Namespace: System.Net
Assembly: System (in System.dll)
Assembly Versions: 1.0.5000.0, 2.0.0.0