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2 | 2 | ||
3 | import java.util.Hashtable; |
3 | import java.util.Hashtable; |
4 | import javax.naming.*; |
4 | import javax.naming.*; |
5 | import javax.naming.directory.*; |
5 | import javax.naming.directory.*; |
6 | 6 | ||
- | 7 | /** |
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- | 8 | * This class performs DNS lookups. |
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- | 9 | * |
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- | 10 | * @author Rgagnon.com and Daniel Marschall |
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7 | // Source: http://www.rgagnon.com/javadetails/java-0452.html |
11 | * @see Source: http://www.rgagnon.com/javadetails/java-0452.html (Modified) |
8 | // Modified |
12 | * @version 2010-06-14 |
9 | 13 | */ |
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10 | public class DNSLookup { |
14 | public class DNSLookup { |
11 | public static int doLookup(String hostName, DNSType type) |
15 | public static int doLookup(String hostName, DNSType type) |
12 | throws NamingException { |
16 | throws NamingException { |
13 | Hashtable<String, String> env = new Hashtable<String, String>(); |
17 | Hashtable<String, String> env = new Hashtable<String, String>(); |
14 | env.put("java.naming.factory.initial", |
18 | env.put("java.naming.factory.initial", |