{"name":"SentinelBot","version":"1.0","description":"A monitoring bot that checks website availability, SSL certificates, and other health metrics.","company":"rootstuff","website":"https:\/\/sentinel.rootstuff.io","user_agent":"Mozilla\/5.0 (compatible; SentinelBot\/1.0; +https:\/\/sentinel.rootstuff.io\/bot)","cloudflare_radar_url":"https:\/\/radar.cloudflare.com\/bots\/directory\/sentinelbot","request_frequency":"Typically once per minute per website from each monitoring region","ip_addresses":{"Ashburn Primary":"5.161.92.93","Ashburn":"178.156.168.125","Portland":"5.78.89.252","Nuremberg":"91.98.227.168","Singapore":"5.223.68.215"},"respects_robots_txt":true,"paid_agent_traffic":{"description":"Sentinel also sells single-shot probes, watches and callbacks to AI agents, paid per call. That traffic comes from the same IPs listed below, so an allowlist covers it too.","user_agents":{"probes":"Mozilla\/5.0 (compatible; SentinelBot\/1.0; +https:\/\/sentinel.rootstuff.io\/bot)","callbacks":"Sentinel Wake\/1.0 (+https:\/\/sentinel.rootstuff.io\/mpp\/)"},"callbacks_only_from":"5.161.92.93","limits":"Per target host: 60 probes an hour, 10 distinct ports a day. Per callback host: 25 live wakes, and a 24-hour block after three refused callbacks. Private and reserved addresses are refused; redirects are never followed.","headers":["X-Sentinel-About","X-Sentinel-Abuse","X-Sentinel-Signature"],"opt_out":"Email support@sentinel.rootstuff.io with the host and it is excluded from paid probes, watches and callbacks, subdomains included, usually the same day.","acceptable_use":"https:\/\/sentinel.rootstuff.io\/mpp\/"},"rate_limiting":{"description":"Each monitored URL receives one request per check interval from each active monitoring region.","check_intervals":"Configurable from 30 seconds to 60 minutes per monitor","max_regions":"4 regions (US-East, US-West, EU, Asia)"}}