http status codes - What to return to browser if DNS lookup failed? -
disclaimer: not sure if material. if not, please move appropriate place.
i'm trying build web proxy, , i'm unsure homecoming browser, if dns lookup failed (ie. if domain not exist). there http status code this? tried looking in network tab in chrome, there's no response failed dns lookup.
there wouldn't http code it, since definition http request couldn't done in first place server's ip couldn't resolved. easiest-to-use-instead 404 - "not found"
dns http-status-codes
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