Voximplant api request failure

gistfile1.txt

java.net.UnknownHostException: api.voximplant.com: Temporary failure in name resolution
	at java.base/java.net.Inet4AddressImpl.lookupAllHostAddr(Native Method)
	at java.base/java.net.Inet4AddressImpl.lookupAllHostAddr(Inet4AddressImpl.java:43)
	at java.base/java.net.InetAddress$PlatformResolver.lookupByName(InetAddress.java:1211)
	at java.base/java.net.InetAddress.getAddressesFromNameService(InetAddress.java:1828)
	at java.base/java.net.InetAddress$NameServiceAddresses.get(InetAddress.java:1139)
	at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1818)
	at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1688)
	at org.apache.http.impl.conn.SystemDefaultDnsResolver.resolve(SystemDefaultDnsResolver.java:45)
	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:112)
	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:83)
	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:56)
	at org.apache.http.client.fluent.Request.internalExecute(Request.java:173)
	at org.apache.http.client.fluent.Request.execute(Request.java:177)
	at com.voximplant.apiclient.VoximplantAPIClientImpl.performRequest(VoximplantAPIClientImpl.java:101)