B4X

Resolve a Hostname to an IP Address

Demonstrates Socket.DnsLookup, which resolves a hostname and returns one numeric IP address.

Background. A maxWaitMs of 0 waits indefinitely; a positive value bounds the wait. Resolved results may be served from Chilkat's process-wide DNS cache.

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Dim socket As ChilkatSocket
socket.Initialize("socket")

'  Resolve a hostname to a numeric IP address, waiting up to 5 seconds.
Dim ipAddress As String = socket.DnsLookup("example.com", 5000)
If socket.LastMethodSuccess = False Then
    Log(socket.LastErrorText)
    Return
End If

Log("Resolved IP address: " & ipAddress)