code: public boolean contains(final InternetDomainName domain) {
          ImmutableList<String> otherDomainParts = domain.parts();
  
          if (parts.size() > otherDomainParts.size()) {
              return false;
          }
  
          otherDomainParts = otherDomainParts.reverse()
                  .subList(0, parts.size());
  
          return parts.reverse()
                  .equals(otherDomainParts);
      }
docs: Indicates if this crawl domain contains the specific internet domain.
  
  @param domain an immutable well-formed internet domain name
  
  @return <code>true</code> if belongs, <code>false</code> otherwise