Domain cerfskill.com
CLOUDFLARENET
Software information

cloudflare cloudflare

tcp/443 tcp/80 tcp/8443

  • Open service 104.21.72.212:80 · cerfskill.com

    2026-01-24 14:39 

    HTTP/1.1 301 Moved Permanently
Date: Sat, 24 Jan 2026 14:39:16 GMT
Content-Length: 0
Connection: close
Location: https://www.udemy.com/
Report-To: {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=0o4DAdZYAH9XzQO47iQjp4Mz1VnVtVEfcm6m86gOKdrxY90Hpyap5A3Y66so5Bqzu8vSCSi968nuSBq%2BBqazcdwuB%2BlRCrMMaoXTZyc%3D"}]}
Nel: {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
Server: cloudflare
CF-RAY: 9c304780880f2bae-FRA
alt-svc: h3=":443"; ma=86400
    Found 2026-01-24 by HttpPlugin
    Create report

  • Open service 172.67.155.1:443 · cerfskill.com

    2026-01-24 14:39 

    HTTP/1.1 301 Moved Permanently
Date: Sat, 24 Jan 2026 14:39:16 GMT
Content-Length: 0
Connection: close
Location: https://www.udemy.com/
Report-To: {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=KZeQi85fMUXsJwAiRUEN%2BQlbIjXo0Fln4tWLqDFs4b%2FBW%2BJa%2B5IuUj1BY%2BMZ9QhZqJpzOHBmjLc8RnGQdzdEZOw40b62bAXTqmle%2Fbo%3D"}]}
Nel: {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
Server: cloudflare
CF-RAY: 9c3047806939c34c-FRA
alt-svc: h3=":443"; ma=86400
    Found 2026-01-24 by HttpPlugin
    Create report

  • Open service 172.67.155.1:8443 · cerfskill.com

    2026-01-24 14:39 

    HTTP/1.1 301 Moved Permanently
Date: Sat, 24 Jan 2026 14:39:16 GMT
Content-Length: 0
Connection: close
Location: https://www.udemy.com/
Report-To: {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=6bH8h8Ucm5syIv2x9zfwWOkUlIi5wJzFXFUMB85bDDzAX4%2F6BOhfSAa20RLoJQx3DREtIwd7pczE2MX55dwVBG77SzJ%2FtACG9Vjg8y0%3D"}]}
Nel: {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
Server: cloudflare
CF-RAY: 9c3047804b501a47-FRA
alt-svc: h3=":8443"; ma=86400
    Found 2026-01-24 by HttpPlugin
    Create report

  • Open service 172.67.155.1:80 · cerfskill.com

    2026-01-24 14:39 

    HTTP/1.1 301 Moved Permanently
Date: Sat, 24 Jan 2026 14:39:16 GMT
Content-Length: 0
Connection: close
Location: https://www.udemy.com/
Report-To: {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=Mh8GarYJclQ8ijXKa7UefWrfdt3%2FP8NcwD50w5sVh9CpN04xxqtixVxmHxieUwZEucMedE19jx3mCKIsEGNFcilp%2FbFrJVme9OPQKjY%3D"}]}
Nel: {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
Server-Timing: cfEdge;dur=10,cfOrigin;dur=0
Server: cloudflare
CF-RAY: 9c3047801c0ee5b3-YYZ
alt-svc: h3=":443"; ma=86400
    Found 2026-01-24 by HttpPlugin
    Create report

  • Open service 104.21.72.212:443 · cerfskill.com

    2026-01-24 14:39 

    HTTP/1.1 301 Moved Permanently
Date: Sat, 24 Jan 2026 14:39:16 GMT
Content-Length: 0
Connection: close
Location: https://www.udemy.com/
Report-To: {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=PnPL2fNYo6UT3dVX%2FkBp1oVYnazC2vkRWO1ZszOAcbC2oso0AHUsKApMX77aQVNo0%2F4hekh4i6hvx%2FM35Oqnq%2FoTnQntxuQnwhpVQeo%3D"}]}
Nel: {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
Server: cloudflare
CF-RAY: 9c30477fcb4f3330-LHR
alt-svc: h3=":443"; ma=86400
    Found 2026-01-24 by HttpPlugin
    Create report

  • Open service 2606:4700:3031::ac43:9b01:8443 · cerfskill.com

    2026-01-24 14:39 

    HTTP/1.1 301 Moved Permanently
Date: Sat, 24 Jan 2026 14:39:16 GMT
Content-Length: 0
Connection: close
Location: https://www.udemy.com/
Report-To: {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=tM0QnnCrPKM0jJZSW6Yzwk1vq7P%2B2OrSr6qK1V6nTdCfeXn8w6wfcgFWuSuQ%2BnxmIJvaCswvZwCese4Otq6bpVsdFfapkpBduCEykvCyQANSw05apY05siM%3D"}]}
Nel: {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
Server: cloudflare
CF-RAY: 9c30477fac555088-AMS
alt-svc: h3=":8443"; ma=86400
    Found 2026-01-24 by HttpPlugin
    Create report

  • Open service 104.21.72.212:8443 · cerfskill.com

    2026-01-24 14:39 

    HTTP/1.1 301 Moved Permanently
Date: Sat, 24 Jan 2026 14:39:16 GMT
Content-Length: 0
Connection: close
Location: https://www.udemy.com/
Report-To: {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=YmVszh2sILpTpce0SIL%2FhZECSvF0VWOqROf3gC71qWMwH%2F2diDCOPeCOPMGmZPO1%2B8cH6SpZWqdV8VQUl8E%2BOpHwg%2FaZ8Dgr4gehnvc%3D"}]}
Nel: {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
Server-Timing: cfEdge;dur=4,cfOrigin;dur=0
Server: cloudflare
CF-RAY: 9c30477f6c057ac0-EWR
alt-svc: h3=":8443"; ma=86400
    Found 2026-01-24 by HttpPlugin
    Create report

  • Open service 2606:4700:3031::ac43:9b01:80 · cerfskill.com

    2026-01-24 14:39 

    HTTP/1.1 301 Moved Permanently
Date: Sat, 24 Jan 2026 14:39:16 GMT
Content-Length: 0
Connection: close
Location: https://www.udemy.com/
Report-To: {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=%2Fn1Y38a93K8eLOBKmAERZHK6js%2BRMSPCiEyRHEZLA75VGBNDXo3Steh%2FbZhu3vYQVe17qITu4ptv7BGSgJCcBBAn9DTbZrDKPOxxl4uN%2FMMkOPCeoGoFyBY%3D"}]}
Nel: {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
Server: cloudflare
CF-RAY: 9c30477f1adae8fe-LHR
alt-svc: h3=":443"; ma=86400
    Found 2026-01-24 by HttpPlugin
    Create report

  • Open service 2606:4700:3034::6815:48d4:8443 · cerfskill.com

    2026-01-24 14:39 

    HTTP/1.1 301 Moved Permanently
Date: Sat, 24 Jan 2026 14:39:16 GMT
Content-Length: 0
Connection: close
Location: https://www.udemy.com/
Report-To: {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=v3V7%2BTj1HxR3iCRVMymEO4KVy07wyFXRNBxWPh57p%2FWt3iWPvztfIJ4xGBTTl2e2KDPG%2FN3lee1PgeRjlyzY22lTbriWG6KMtPd88qWIvazLCBpGnJVt7kY%3D"}]}
Nel: {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
Server: cloudflare
CF-RAY: 9c30477f0d24a016-AMS
alt-svc: h3=":8443"; ma=86400
    Found 2026-01-24 by HttpPlugin
    Create report

  • Open service 2606:4700:3034::6815:48d4:80 · cerfskill.com

    2026-01-24 14:39 

    HTTP/1.1 301 Moved Permanently
Date: Sat, 24 Jan 2026 14:39:16 GMT
Content-Length: 0
Connection: close
Location: https://www.udemy.com/
Report-To: {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=yh%2B02CJlJcIcxW857fWTTmH10A2scbVJ2BC8m3rB9vJYvFKKAuViTS9o0C6oANSB1E9dlW6RMydxCfjhnBYyRidSwn7sY%2BIERO2Wswzf5b%2FGJsRY4imhMug%3D"}]}
Nel: {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
Server: cloudflare
CF-RAY: 9c30477f0eb2d579-AMS
alt-svc: h3=":443"; ma=86400
    Found 2026-01-24 by HttpPlugin
    Create report

  • Open service 2606:4700:3034::6815:48d4:443 · cerfskill.com

    2026-01-24 14:39 

    HTTP/1.1 301 Moved Permanently
Date: Sat, 24 Jan 2026 14:39:16 GMT
Content-Length: 0
Connection: close
Location: https://www.udemy.com/
Report-To: {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=8AV%2Fs3y0aUfR%2BuXDad1uGjiP6OZWtIJ8wm%2FTFjD5xFxNJhJVvOBowoPnJfLA6uljg37Qa%2FJ3wa660JKx0Zuxivg3tUAtAEaBZwzNGHLveqsciR%2BgDfLH1jQ%3D"}]}
Nel: {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
Server: cloudflare
CF-RAY: 9c30477f09fc1ca9-FRA
alt-svc: h3=":443"; ma=86400
    Found 2026-01-24 by HttpPlugin
    Create report

  • Open service 2606:4700:3031::ac43:9b01:443 · cerfskill.com

    2026-01-24 14:39 

    HTTP/1.1 301 Moved Permanently
Date: Sat, 24 Jan 2026 14:39:16 GMT
Content-Length: 0
Connection: close
Location: https://www.udemy.com/
Report-To: {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=1jAKzeI2QwFFbdxDyB6cQvzE3OSWDcWVMtoco%2BwxMNRhGjeZLNdP8%2F1nkE3zObfTQlnLFBSvzlTw8EQ%2Fse9nHhcr26WmjkE82JkG%2BjtagVN67Ppu6WDWrQQ%3D"}]}
Nel: {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
Server: cloudflare
CF-RAY: 9c30477f0a2ddc82-FRA
alt-svc: h3=":443"; ma=86400
    Found 2026-01-24 by HttpPlugin
    Create report
cerfskill.com*.cerfskill.com
Fingerprint:
648f9329fb0317b61fba6b60ff1cd1ebbfe4334b916140c9e16d7adc4b86282d
CN:
cerfskill.com
Key:
ECDSA-256
Issuer:
WE1
Not before:
2026-01-24 13:37
Not after:
2026-04-24 14:36
Domain summary

cerfskill.com 11

1 recorded
IP summary

104.21.72.212 1 172.67.155.1 1 2606:4700:3031::ac43:9b01 1 2606:4700:3034::6815:48d4 1

4 recorded

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