HTTP 451 is not quite right for these non-results. But having no-go zones within an AI's domain seems destined to be a long-term problem, so maybe a status is i

HTTP 451 is not quite right for these non-results. But having no-go zones within an AI's domain seems destined to be a long-term problem, so maybe a status is indicated. Something like HTTP 9000 - Query outside the area of competence I can't think of a /^4\d\d$/ number with ominous AI undertones.