Who actually answers
curated catalog · last probe · the state of every tracked domain that is not reachable cleanly
not reachable
587
no response at all: timed out, refused, DNS failure, network error
sites serving errors
17,431
the site answered, but with a 5xx, a 404, or a TLS failure
throttled or blocked our scanner
79,477
healthy sites that 429/403 our shared egress - never counted as an error
We could not read the list just now, so nothing below is a result. Reload in a moment.
We could not read the domain list just now. This is a read failure, not an empty view - the counts above and this list come from different reads, and only one of them answered.