Logs for the probe: ts=2026-01-31T16:44:27.238549137Z caller=main.go:304 module=http_2xx target=prometheus.io level=info msg="Beginning probe" probe=http timeout_seconds=5 ts=2026-01-31T16:44:27.238630601Z caller=http.go:318 module=http_2xx target=prometheus.io level=info msg="Resolving target address" ip_protocol=ip4 ts=2026-01-31T16:44:27.269300288Z caller=http.go:318 module=http_2xx target=prometheus.io level=info msg="Resolved target address" ip=104.21.60.220 ts=2026-01-31T16:44:27.269342692Z 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=2026-01-31T16:44:27.309331643Z caller=client.go:416 module=http_2xx target=prometheus.io level=info msg="Received redirect" location=https://prometheus.io/ ts=2026-01-31T16:44:27.309372875Z caller=client.go:250 module=http_2xx target=prometheus.io level=info msg="Making HTTP request" url=https://prometheus.io/ host= ts=2026-01-31T16:44:27.309381976Z 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=2026-01-31T16:44:28.219438223Z caller=main.go:119 module=http_2xx target=prometheus.io level=info msg="Received HTTP response" status_code=200 ts=2026-01-31T16:44:28.236904749Z caller=main.go:119 module=http_2xx target=prometheus.io level=info msg="Response timings for roundtrip" roundtrip=0 start=2026-01-31T16:44:27.269410896Z dnsDone=2026-01-31T16:44:27.269410896Z connectDone=2026-01-31T16:44:27.287950876Z gotConn=2026-01-31T16:44:27.287979172Z responseStart=2026-01-31T16:44:27.309293023Z end=0001-01-01T00:00:00Z ts=2026-01-31T16:44:28.236951646Z caller=main.go:119 module=http_2xx target=prometheus.io level=info msg="Response timings for roundtrip" roundtrip=1 start=2026-01-31T16:44:27.309433604Z dnsDone=2026-01-31T16:44:27.310977928Z connectDone=2026-01-31T16:44:27.32712099Z gotConn=2026-01-31T16:44:27.355128251Z responseStart=2026-01-31T16:44:28.219385276Z end=2026-01-31T16:44:28.236889596Z ts=2026-01-31T16:44:28.236990625Z caller=main.go:304 module=http_2xx target=prometheus.io level=info msg="Probe succeeded" duration_seconds=0.998400513 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 0.030676247 # HELP probe_duration_seconds Returns how long the probe took to complete in seconds # TYPE probe_duration_seconds gauge probe_duration_seconds 0.998400513 # 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"} 0.034711387999999996 probe_http_duration_seconds{phase="processing"} 0.885570896 probe_http_duration_seconds{phase="resolve"} 0.032220595 probe_http_duration_seconds{phase="tls"} 0.044150318 probe_http_duration_seconds{phase="transfer"} 0.017504308 # 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 1.772926535e+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