The following table contains a list of available TCP/IP API modules. Some support the Domain Names Services GetHostByName and GetHostByAddr.
| API | Interface Loaded | GetHostByName | GetHostByAddr |
|---|---|---|---|
| HPS | IBM interface NWTCPHPS (High Performance Native Sockets) | Yes | Yes |
| OES | IBM OpenEdition sockets interface NWTCPOES | Yes | Yes |