@property<EOL><INDENT>def domains(self):<DEDENT>
if self._domains is None:<EOL><INDENT>self._domains = DomainList(self._version, account_sid=self._solution['<STR_LIT>'], )<EOL><DEDENT>return self._domains<EOL>
Access the domains

:returns: twilio.rest.api.v2010.account.sip.domain.DomainList
:rtype: twilio.rest.api.v2010.account.sip.domain.DomainList