@Override
    public Set<String> resolveAll(String name) {
        return resolve(name, RecordType.A, RecordType.AAAA);
    }
Implementation of a name resolver that always uses a DNS server to resolve the given name. The intention is to avoid
possibly incorrect/incomplete records in /etc/hosts.

@author mpolden
node-repository/src/main/java/com/yahoo/vespa/hosted/provision/persistence/DnsNameResolver.java