public static DnsAddressEndpointGroup of(String hostname) {
        return builder(hostname).build();
    }
Creates a {@link DnsAddressEndpointGroup} with an unspecified port that schedules queries on a random
{@link EventLoop} from {@link CommonPools#workerGroup()}.

@param hostname the hostname to query DNS queries for
core/src/main/java/com/linecorp/armeria/client/endpoint/dns/DnsAddressEndpointGroup.java