@Override
    public DnsQueryLifecycleObserver queryNoAnswer(DnsResponseCode code) {
        final List<Tag> tags = ImmutableList.of(nameTag,
                                                Tag.of(CODE_TAG, StringUtil.toString(code.intValue())));
        meterRegistry.counter(meterIdPrefixNoAnswer, tags).increment();
        return this;
    }
Returns the IP address of the given {@link InetSocketAddress}, stripping the scope ID if necessary.
core/src/main/java/com/linecorp/armeria/client/DefaultDnsQueryLifecycleObserver.java