Project project = getProject();
DnsService.Zone domain = dnsService.findZoneByName(project, domainName);
notFoundIfNull(domain);
RecordList response = new RecordList();
response.dns_entries = Lists.newArrayList();
for (DnsService.Recordset recordset : dnsService.listRecordsets(project, domain)) {
for (DnsService.Record record : recordset.getRecords()) {
if (ip.equals(record.getTarget())) {
response.dns_entries.add(toModel(recordset, record));