final void logDnsResolutionResult(Collection<Endpoint> endpoints, int ttl) {
        if (endpoints.isEmpty()) {
            logger().warn("{} Resolved to empty endpoints (TTL: {})", logPrefix, ttl);
        } else {
            if (logger().isDebugEnabled()) {
                logger().debug("{} Resolved: {} (TTL: {})",
                               logPrefix,
                               endpoints.stream().map(Object::toString).collect(Collectors.joining(", ")),
                               ttl);
            }
        }
    }
Logs a warning message about an invalid record.
core/src/main/java/com/linecorp/armeria/client/endpoint/dns/DnsEndpointGroup.java