public void DNSHelperTest()
{
Assert.AreEqual(IPAddress.Parse("208.67.222.222"), DNSHelper.OpenDNS1);
Assert.AreEqual(IPAddress.Parse("208.67.220.220"), DNSHelper.OpenDNS2);
var dnsServers = DNSHelper.GetLocalDNS();
Assert.IsTrue(dnsServers.Any());
foreach (var dnsServer in dnsServers)
{
Request request = new Request();
request.AddQuestion(new Question("google.com", DnsType.ANAME, DnsClass.IN));
Response response = Resolver.Lookup(request, dnsServer);
var address = ((ANameRecord)response.Answers[0].Record).IPAddress;
Assert.IsNotNull(address);
}
}
public void CorrectANameForCodeProject()
{
// also 194.72.0.114
// create a new request
var request = new Request();
// add the codeproject ANAME question
request.AddQuestion(new Question("codeproject.com", DnsType.ANAME, DnsClass.IN));
// send the request
Response response = null;
multiDnsServerAction.Invoke( dnsServer => response = Resolver.Lookup(request, dnsServer));
// check the reponse
Assert.AreEqual(ReturnCode.Success, response.ReturnCode);
Assert.AreEqual(1, response.Answers.Length);
var record = (ANameRecord) response.Answers[0].Record;
Assert.AreEqual(IPAddress.Parse("65.39.148.34"), record.IPAddress);
}
public void CorrectNSForCodeProject()
{
// also 194.72.0.114
// create a new request
var request = new Request();
// add the codeproject ANAME question
request.AddQuestion(new Question("codeproject.com", DnsType.NS, DnsClass.IN));
// send the request
Response response = null;
multiDnsServerAction.Invoke(dnsServer => response= Resolver.Lookup(request, dnsServer));
// check the reponse
Assert.AreEqual(ReturnCode.Success, response.ReturnCode);
// we expect 4 records
Assert.IsTrue(response.Answers.Length>0);
}
public void RepeatedANameLookups()
{
var request = new Request();
// add the codeproject ANAME question
request.AddQuestion(new Question("codeproject.com", DnsType.ANAME, DnsClass.IN));
for (int i = 0; i < 1000; i++)
{
// send the request
Response response = null;
multiDnsServerAction.Invoke( dnsServer => response = Resolver.Lookup(request, dnsServer));
// check the reponse
Assert.AreEqual(ReturnCode.Success, response.ReturnCode);
Assert.AreEqual(1, response.Answers.Length);
}
}