# Utility functions

`pycares.``reverse_address`(ip_adress)

  Parameters: | ip_address (string) – IP address to be reversed.

  Returns the reversed representation of an IP address, usually used when doing PTR queries.

  Example:

      pycares.reverse_address('1.2.3.4')
      '4.3.2.1.in-addr.arpa'

      pycares.reverse_address('2a03:2880:10:cf01:face:b00c::')
      '0.0.0.0.0.0.0.0.c.0.0.b.e.c.a.f.1.0.f.c.0.1.0.0.0.8.8.2.3.0.a.2.ip6.arpa'