import socket
def get_domain_name(ip_addr):
dom_name = socket.gethostbyaddr(ip_addr)
print("The domain name for IP: " + ip_addr + " is", dom_name)
ip_addr = "192.0.43.8"
get_domain_name(ip_addr)
'''
run:
The domain name for IP: 192.0.43.8 is ('43-8.any.icann.org', [], ['192.0.43.8'])
'''