CODEWITHSUNDEEP
c#dns
waqas baig
waqas baig

Reputation: 21

No such host exist using Dns.GetHostEntry

When i try to get request client machine name using 

System.Net.Dns.GetHostEntry(
    Request.ServerVariables("remote_addr")
).HostName.Split(New [Char]() {"."c}) ,

then it gives me below error

System.Net.Sockets.SocketException: No such host is known

can any one please help me.

Upvotes: 0

Views: 2213

Answers (1)

dvhh
dvhh

Reputation: 4750

a remote_addr ( client ip address ) entry in your server environment is not guaranteed to have a corresponding DNS entry.

Even if the address had an entry, the dns entry for the address might not be in the server DNS catalog and the server might have not found the entry via recursive lookup.

Upvotes: 1

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