Logs for the probe:
ts=2026-10-19T22:42:06.568183579Z caller=main.go:304 module=http_2xx target=prometheus.io level=info msg="Beginning probe" probe=http timeout_seconds=8
ts=2026-10-19T22:42:06.568504704Z caller=http.go:274 module=http_2xx target=prometheus.io level=info msg="Resolving target address" ip_protocol=ip4
ts=2026-10-19T22:42:06.575401813Z caller=http.go:274 module=http_2xx target=prometheus.io level=info msg="Resolved target address" ip="unsupported value type"
ts=2026-10-19T22:42:06.575498698Z caller=main.go:119 module=http_2xx target=prometheus.io level=info msg="Making HTTP request" url=http://104.21.60.220 host=prometheus.io
ts=2026-10-19T22:42:06.634906948Z caller=client.go:416 module=http_2xx target=prometheus.io level=info msg="Received redirect" url=https://prometheus.io/
ts=2026-10-19T22:42:06.635057038Z caller=client.go:416 module=http_2xx target=prometheus.io level=info msg="Not following redirect"
ts=2026-10-19T22:42:06.635330213Z caller=main.go:119 module=http_2xx target=prometheus.io level=info msg="Received HTTP response" status_code=301
ts=2026-10-19T22:42:06.635440571Z caller=main.go:119 module=http_2xx target=prometheus.io level=info msg="Response timings for roundtrip" roundtrip=0 start=2026-10-19T22:42:06.575707637Z dnsDone=2026-10-19T22:42:06.575707637Z connectDone=2026-10-19T22:42:06.602896894Z gotConn=2026-10-19T22:42:06.602966695Z responseStart=2026-10-19T22:42:06.634479575Z end=2026-10-19T22:42:06.635402702Z
ts=2026-10-19T22:42:06.635659205Z caller=main.go:304 module=http_2xx target=prometheus.io level=info msg="Probe succeeded" duration_seconds=0.067340136



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 0.006878651
# HELP probe_duration_seconds Returns how long the probe took to complete in seconds
# TYPE probe_duration_seconds gauge
probe_duration_seconds 0.067340136
# 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"} 0.027259066
probe_http_duration_seconds{phase="processing"} 0.03151292
probe_http_duration_seconds{phase="resolve"} 0.006878651
probe_http_duration_seconds{phase="tls"} 0
probe_http_duration_seconds{phase="transfer"} 0.000923125
# 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 0
# HELP probe_http_status_code Response HTTP status code
# TYPE probe_http_status_code gauge
probe_http_status_code 301
# 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_success Displays whether or not the probe was a success
# TYPE probe_success gauge
probe_success 1



Module configuration:
prober: http
timeout: 8s
http:
    valid_status_codes:
      - 200
      - 201
      - 204
      - 301
      - 302
      - 303
      - 307
      - 308
      - 401
      - 403
    valid_http_versions:
      - HTTP/1.1
      - HTTP/2
    preferred_ip_protocol: ip4
    ip_protocol_fallback: true
    no_follow_redirects: true
tcp:
    ip_protocol_fallback: true
icmp:
    ip_protocol_fallback: true
dns:
    ip_protocol_fallback: true