src/main/java/io/mola/galimatias/Domain.java
@Override
    public String toHumanString() {
        if (unicode) {
            return domain;
        }
        final IDNA.Info idnaInfo = new IDNA.Info();
        final StringBuilder idnaOutput = new StringBuilder();
        IDNA.getUTS46Instance(IDNA.DEFAULT).nameToUnicode(domain, idnaOutput, idnaInfo);
        return idnaOutput.toString();
    }
@Override
    public String toHumanString() {
        if (unicode) {
            return domain;
        }
        final IDNA.Info idnaInfo = new IDNA.Info();
        final StringBuilder idnaOutput = new StringBuilder();
        IDNA.getUTS46Instance(IDNA.DEFAULT).nameToUnicode(domain, idnaOutput, idnaInfo);
        return idnaOutput.toString();
    }
Converts the domain to a Unicode representation suitable for human interpretation. It does IDNA conversion.

@see Host#toHumanString()
@return unicode string