Dead-Web Index · domain

citeseer.ist.psu.edu

How citeseer.ist.psu.eduresponded 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: tls_error
Final status: —
First status: 301
Scheme: http
Redirect hops: 1
Parked: no
Popularity rank: 8,233
TLD: .edu

Probed 2026-06-16T08:27:28Z

Polite bot (honest UA)Blocked

Reason: tls_error
Final status: —
First status: 301
Scheme: http
Redirect hops: 1
Parked: no
Popularity rank: 8,233
TLD: .edu

Probed 2026-06-15T07:25:55Z

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