'@type address: L{bytes} or L{unicode}
@param address: The IPv6 address for this host, in RFC 2373 format.'

def __init__(self, address='::', ttl=None):

    if (_PY3 and isinstance(address, bytes)):
        address = address.decode('idna')
    self.address = socket.inet_pton(AF_INET6, address)
    self.ttl = str2time(ttl)
