Dead-Web Index · domain

open.substack.com

How open.substack.comresponded to each probe arm in the latest run. “Dead” is derived from the evidence below (DNS, TLS, HTTP status, redirects), not asserted directly.

Reachability (real Chrome TLS/JA3)Blocked

Reason: forbidden
Final status: 403
First status: 403
Scheme: https
Redirect hops: 0
Parked: no
Popularity rank: 4,299
TLD: .com

Final URL: https://open.substack.com

Probed 2026-06-15T20:24:55Z

Polite bot (honest UA)Alive

Reason: ok
Final status: 200
First status: 302
Scheme: https
Redirect hops: 1
Parked: no
Popularity rank: 4,299
TLD: .com

Final URL: https://substack.com/

Probed 2026-06-15T02:47:52Z

Keep going

Next steps.

← Back to the Dead-Web Index Does open.substack.com run anti-bot? →