Parameters

address

A string containing an IP address. [Edit]

Returns

A System.Net.IPHostEntry instance containing the host information. [Edit]

Permissions

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

Exceptions

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

Remarks

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

Requirements

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