Dead-Web Index · domain

na01.safelinks.protection.outlook.com

How na01.safelinks.protection.outlook.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)Alive

Reason: client_error
Final status: 400
First status: 400
Scheme: https
Redirect hops: 0
Parked: no
Popularity rank: 8,435
TLD: .com

Final URL: https://na01.safelinks.protection.outlook.com

Probed 2026-06-15T23:16:22Z

Polite bot (honest UA)Alive

Reason: client_error
Final status: 400
First status: 400
Scheme: https
Redirect hops: 0
Parked: no
Popularity rank: 8,435
TLD: .com

Final URL: https://na01.safelinks.protection.outlook.com

Probed 2026-06-15T07:03:20Z

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