Getfqdn() - Get The Fully Qualified Domain Name Of A Host Using Python

Overview:

  • The method getfqdn()of Python's socket module returns the fully qualified domain name of a host.
  • The Python example program invokes getfqdn() twice. The first call to the getfqdn()is without passing any argument. In this case, it returns the fully qualified domain name of the machine name on which the Python interpreter is running. The return value is MyMachine.Local.The Local is the pseudo-top-level domain for hostnames in local area networks.
  • The second invocation of getfqdn()is done with “example.net” as the argument, which returns “example.net” as the output.  The .net part denotes the top-level domain (TLD). The name of the host is example.

Example:

import socket

 

# Get the fully qualified domain name

fqdn = socket.getfqdn()

print("Fully qualified domain name of this computer is:");

print(fqdn);

 

# Get FQN for example.net

hostName = "www.example.net";

fqdn = socket.getfqdn(hostName);

 

print("Fully qualified domain name of %s is:"%hostName);

print(fqdn);

 

Output:

Fully qualified domain name of this computer is:

MyMachine.local

Fully qualified domain name of www.example.net is:

www.example.net

 


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