Logs for the probe: ts=2026-02-05T12:30:44.289847708Z caller=main.go:304 module=http_2xx target=prometheus.io level=info msg="Beginning probe" probe=http timeout_seconds=5 ts=2026-02-05T12:30:44.289986713Z caller=http.go:318 module=http_2xx target=prometheus.io level=info msg="Resolving target address" ip_protocol=ip4 ts=2026-02-05T12:30:44.320552568Z caller=http.go:318 module=http_2xx target=prometheus.io level=info msg="Resolved target address" ip=104.21.60.220 ts=2026-02-05T12:30:44.320628074Z caller=client.go:250 module=http_2xx target=prometheus.io level=info msg="Making HTTP request" url=http://104.21.60.220 host=prometheus.io ts=2026-02-05T12:30:44.363101661Z caller=client.go:416 module=http_2xx target=prometheus.io level=info msg="Received redirect" location=https://prometheus.io/ ts=2026-02-05T12:30:44.363163936Z caller=client.go:250 module=http_2xx target=prometheus.io level=info msg="Making HTTP request" url=https://prometheus.io/ host= ts=2026-02-05T12:30:44.363174154Z caller=client.go:250 module=http_2xx target=prometheus.io level=info msg="Address does not match first address, not sending TLS ServerName" first=104.21.60.220 address=prometheus.io ts=2026-02-05T12:30:44.455780836Z caller=main.go:119 module=http_2xx target=prometheus.io level=info msg="Received HTTP response" status_code=200 ts=2026-02-05T12:30:44.475560174Z caller=main.go:119 module=http_2xx target=prometheus.io level=info msg="Response timings for roundtrip" roundtrip=0 start=2026-02-05T12:30:44.320701281Z dnsDone=2026-02-05T12:30:44.320701281Z connectDone=2026-02-05T12:30:44.339406886Z gotConn=2026-02-05T12:30:44.339439893Z responseStart=2026-02-05T12:30:44.36300553Z end=0001-01-01T00:00:00Z ts=2026-02-05T12:30:44.475596611Z caller=main.go:119 module=http_2xx target=prometheus.io level=info msg="Response timings for roundtrip" roundtrip=1 start=2026-02-05T12:30:44.363238424Z dnsDone=2026-02-05T12:30:44.365526922Z connectDone=2026-02-05T12:30:44.385769905Z gotConn=2026-02-05T12:30:44.417070972Z responseStart=2026-02-05T12:30:44.455729647Z end=2026-02-05T12:30:44.475548656Z ts=2026-02-05T12:30:44.475634286Z caller=main.go:304 module=http_2xx target=prometheus.io level=info msg="Probe succeeded" duration_seconds=0.185700237 Metrics that would have been returned: # HELP probe_dns_lookup_time_seconds Returns the time taken for probe dns lookup in seconds # TYPE probe_dns_lookup_time_seconds gauge probe_dns_lookup_time_seconds 0.030585876 # HELP probe_duration_seconds Returns how long the probe took to complete in seconds # TYPE probe_duration_seconds gauge probe_duration_seconds 0.185700237 # HELP probe_failed_due_to_regex Indicates if probe failed due to regex # TYPE probe_failed_due_to_regex gauge probe_failed_due_to_regex 0 # HELP probe_http_content_length Length of http content response # TYPE probe_http_content_length gauge probe_http_content_length -1 # HELP probe_http_duration_seconds Duration of http request by phase, summed over all redirects # TYPE probe_http_duration_seconds gauge probe_http_duration_seconds{phase="connect"} 0.038981656 probe_http_duration_seconds{phase="processing"} 0.062224358 probe_http_duration_seconds{phase="resolve"} 0.032874394 probe_http_duration_seconds{phase="tls"} 0.051544072 probe_http_duration_seconds{phase="transfer"} 0.019819022 # HELP probe_http_redirects The number of redirects # TYPE probe_http_redirects gauge probe_http_redirects 1 # HELP probe_http_ssl Indicates if SSL was used for the final redirect # TYPE probe_http_ssl gauge probe_http_ssl 1 # HELP probe_http_status_code Response HTTP status code # TYPE probe_http_status_code gauge probe_http_status_code 200 # HELP probe_http_uncompressed_body_length Length of uncompressed response body # TYPE probe_http_uncompressed_body_length gauge probe_http_uncompressed_body_length 134043 # HELP probe_http_version Returns the version of HTTP of the probe response # TYPE probe_http_version gauge probe_http_version 1.1 # HELP probe_ip_protocol Specifies whether probe ip protocol is IP4 or IP6 # TYPE probe_ip_protocol gauge probe_ip_protocol 4 # HELP probe_ssl_earliest_cert_expiry Returns earliest SSL cert expiry in unixtime # TYPE probe_ssl_earliest_cert_expiry gauge probe_ssl_earliest_cert_expiry 1.778043063e+09 # HELP probe_success Displays whether or not the probe was a success # TYPE probe_success gauge probe_success 1 # HELP probe_tls_version_info Contains the TLS version used # TYPE probe_tls_version_info gauge probe_tls_version_info{version="TLS 1.3"} 1 Module configuration: prober: http timeout: 5s http: valid_http_versions: - HTTP/1.1 - HTTP/2 preferred_ip_protocol: ip4 ip_protocol_fallback: true tcp: ip_protocol_fallback: true icmp: ip_protocol_fallback: true dns: ip_protocol_fallback: true