Netcraft SSL Server Survey
recommended: allowNetcraft SSL Server Survey is a security scanner operated by Netcraft, a cybersecurity and digital risk protection company. This bot scans websites to collect SSL/TLS certificate information as part of their threat intelligence operations and web infrastructure security analysis.
What it does
Netcraft SSL Server Survey's cadence depends on who directed it to your site. Continuous monitoring may run daily or hourly, while a one-time assessment typically sweeps once and disappears.
How to identify it
User-agent contains any of:
Netcraft SSL Server Survey
Example user-agent string:
Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; Netcraft SSL Server Survey - contact [email protected])robots.txt
Well-behaved crawlers honor robots.txt. To control Netcraft SSL Server Survey:
Allow full access
User-agent: Netcraft SSL Server Survey
Allow: /Block entirely
User-agent: Netcraft SSL Server Survey
Disallow: /
Grey-area scrapers ignore robots.txt. Botscope enforces your policy at the edge or origin regardless —
see how →
References
See Netcraft SSL Server Survey on your own site
Botscope shows every bot and AI agent hitting your site — and lets you allow, challenge, or block each one. Observe first, enforce when you're ready.
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