import socket

hostname = "sso.intranet.pajak.go.id"
ip = socket.gethostbyname(hostname)
print ip
print socket.gethostbyaddr(ip)

D:\PROJECTS\PYTHON\belajar\violent-python>python test1.py
10.245.7.41
('approweb.intranet.pajak.go.id', ['sso.intranet.pajak.go.id'], ['10.245.7.41'])