Java Utililty Methods DNS

List of utility methods to do DNS

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Description

The list of methods to do DNS are organized into topic(s).

Method

StringgetDnsDomainName()
Get the DNS domain name (eg: example.org). 
return getDnsDomainName(InetAddress.getLocalHost().getCanonicalHostName());
StringgetDNSName(String s)
get DNS Name 
if (!enableDNS)
    return s;
String s1;
try {
    InetAddress inetaddress = InetAddress.getByName(s);
    s1 = inetaddress.getHostName().trim();
} catch (UnknownHostException unknownhostexception) {
    s1 = s;
...
StringresolveDNS(String dns)
resolve DNS 
InetAddress addr = InetAddress.getByName(dns);
if (addr == null)
    return null;
return addr.getHostAddress();