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.NET Forum / .NET Framework / New Users / January 2007System.Net.Dns - Is an Authoritative answer possible?
Is it possible to get an authoritative answer from System.Net.Dns, much as you can get from nslookup? I Know it's not giving me one because I put an entry into my hosts file (a fake ip of a real entry) and it gives me a response showing what's in the hosts file. If not, is there another alternative within the .Net framework to get authoritative DNS info? Thanks in advance! That IS an authoritative response. DNS info is stored in files on various servers (including the local machine). The machine first looks in its own cache, and then queries its' DNS server, in that order. It may go on from there, depending. The point of the whole business is to take the least amount of time and bandwidth possible to get the answer.  SignatureHTH, Kevin Spencer Microsoft MVP Bit Player http://unclechutney.blogspot.com In case of Minimalism, break Philip Glass. > Is it possible to get an authoritative answer from System.Net.Dns, much > as you can get from nslookup? I Know it's not giving me one because I [quoted text clipped - 5 lines] > > Thanks in advance! Hmmm, okay, let me rephrase that: I need a response from the server, bypassing the local dns cache & hosts file, much like nslookup does. > That IS an authoritative response. DNS info is stored in files on various > servers (including the local machine). The machine first looks in its own [quoted text clipped - 21 lines] > > > > Thanks in advance! Hello, the .NET Api doesn't offer this. You'll have to interop into Win32 and call the DnsQuery function. It allows you to specify the options you require. Best regards, Henning > Hmmm, okay, let me rephrase that: > [quoted text clipped - 26 lines] >> > >> > Thanks in advance! Thanks... would you happen to have a link that shows an example in powershell or .net? > Hello, > [quoted text clipped - 36 lines] > >> > > >> > Thanks in advance! Free MagazinesGet these publications absolutely FREE for up to 12 months. There are no hidden fees and no obligation. Simply choose a title, complete the application form and submit it. Read more ...
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