Logs for the probe:
ts=2026-03-16T18:15:30.875590414Z caller=main.go:118 module=http_2xx target=prometheus.io level=info msg="Beginning probe" probe=http timeout_seconds=4.5
ts=2026-03-16T18:15:30.877788367Z caller=utils.go:42 module=http_2xx target=prometheus.io level=info msg="Resolving target address" ip_protocol=ip4
ts=2026-03-16T18:15:30.881198781Z caller=utils.go:75 module=http_2xx target=prometheus.io level=info msg="Resolved target address" ip=104.21.60.220
ts=2026-03-16T18:15:30.886948687Z caller=http.go:349 module=http_2xx target=prometheus.io level=info msg="Making HTTP request" url=http://[104.21.60.220] host=prometheus.io
ts=2026-03-16T18:15:30.907546357Z caller=http.go:305 module=http_2xx target=prometheus.io level=info msg="Received redirect" url=https://prometheus.io/
ts=2026-03-16T18:15:31.478638131Z caller=http.go:368 module=http_2xx target=prometheus.io level=info msg="Received HTTP response" status_code=200
ts=2026-03-16T18:15:31.483130348Z caller=http.go:450 module=http_2xx target=prometheus.io level=info msg="Response timings for roundtrip" roundtrip=0 start=2026-03-16T18:15:30.887430224Z dnsDone=2026-03-16T18:15:30.887430224Z connectDone=2026-03-16T18:15:30.891144714Z gotConn=2026-03-16T18:15:30.891203834Z responseStart=2026-03-16T18:15:30.907154137Z end=0001-01-01T00:00:00Z
ts=2026-03-16T18:15:31.495483536Z caller=http.go:450 module=http_2xx target=prometheus.io level=info msg="Response timings for roundtrip" roundtrip=1 start=2026-03-16T18:15:30.915776955Z dnsDone=2026-03-16T18:15:30.926514096Z connectDone=2026-03-16T18:15:30.933166994Z gotConn=2026-03-16T18:15:31.450348077Z responseStart=2026-03-16T18:15:31.478505588Z end=2026-03-16T18:15:31.483067145Z
ts=2026-03-16T18:15:31.495619011Z caller=main.go:129 module=http_2xx target=prometheus.io level=info msg="Probe succeeded" duration_seconds=0.619939526



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 0.008928039
# HELP probe_duration_seconds Returns how long the probe took to complete in seconds
# TYPE probe_duration_seconds gauge
probe_duration_seconds 0.619939526
# 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"} 0.010426441
probe_http_duration_seconds{phase="processing"} 0.04410784399999999
probe_http_duration_seconds{phase="resolve"} 0.019665255
probe_http_duration_seconds{phase="tls"} 0.523833939
probe_http_duration_seconds{phase="transfer"} 0.004561556
# 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_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



Module configuration:
prober: http
timeout: 5s
http:
  preferred_ip_protocol: ip4
  ip_protocol_fallback: true
tcp:
  ip_protocol_fallback: true
icmp:
  ip_protocol_fallback: true
dns:
  ip_protocol_fallback: true