code: def linkRecord(self, existing_domain, new_domain, rtype,
                     callback=None, errback=None, **kwargs):
  
          
  
          if '.' not in existing_domain:
              existing_domain = existing_domain + '.' + self.zone
  
          record = Record(self, new_domain, rtype)
          return record.create(answers=[],
                               link=existing_domain,
                               callback=callback,
                               errback=errback,
                               **kwargs)
docs: Create a new linked record in this zone. These records use the
          configuration (answers, ttl, filters, etc) from an existing record
          in the NS1 platform.
  
          :param str existing_domain: FQDN of the target record whose config \
              should be used. Does not have to be in the same zone.
          :param str new_domain: Name of the new (linked) record. Zone name is\
              appended automatically.
          :param str rtype: DNS record type, which must match the target record.
          :rtype: ns1.records.Record
          :return: new Record