Logs for the probe: ts=2026-08-02T16:37:10.066230506Z caller=main.go:190 module=http_2xx target=prometheus.io level=info msg="Beginning probe" probe=http timeout_seconds=119.5 ts=2026-08-02T16:37:10.0664393Z caller=http.go:328 module=http_2xx target=prometheus.io level=info msg="Resolving target address" target=prometheus.io ip_protocol=ip4 ts=2026-08-02T16:37:10.087908391Z caller=http.go:328 module=http_2xx target=prometheus.io level=info msg="Resolved target address" target=prometheus.io ip=104.21.60.220 ts=2026-08-02T16:37:10.088065335Z caller=client.go:259 module=http_2xx target=prometheus.io level=info msg="Making HTTP request" url=http://104.21.60.220 host=prometheus.io ts=2026-08-02T16:37:10.123719546Z caller=client.go:505 module=http_2xx target=prometheus.io level=info msg="Received redirect" location=https://prometheus.io/ ts=2026-08-02T16:37:10.126123673Z caller=client.go:259 module=http_2xx target=prometheus.io level=info msg="Making HTTP request" url=https://prometheus.io/ host= ts=2026-08-02T16:37:10.126150364Z caller=client.go:259 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=2026-08-02T16:37:10.240187328Z caller=handler.go:119 module=http_2xx target=prometheus.io level=info msg="Received HTTP response" status_code=200 ts=2026-08-02T16:37:10.297929484Z caller=handler.go:119 module=http_2xx target=prometheus.io level=info msg="Response timings for roundtrip" roundtrip=0 start=2026-08-02T16:37:10.088227619Z dnsDone=2026-08-02T16:37:10.088227619Z connectDone=2026-08-02T16:37:10.104179129Z gotConn=2026-08-02T16:37:10.104256781Z responseStart=2026-08-02T16:37:10.123641348Z tlsStart=0001-01-01T00:00:00Z tlsDone=0001-01-01T00:00:00Z end=0001-01-01T00:00:00Z ts=2026-08-02T16:37:10.297973575Z caller=handler.go:119 module=http_2xx target=prometheus.io level=info msg="Response timings for roundtrip" roundtrip=1 start=2026-08-02T16:37:10.126245078Z dnsDone=2026-08-02T16:37:10.147006654Z connectDone=2026-08-02T16:37:10.162889629Z gotConn=2026-08-02T16:37:10.19058548Z responseStart=2026-08-02T16:37:10.240055722Z tlsStart=2026-08-02T16:37:10.162952282Z tlsDone=2026-08-02T16:37:10.189680378Z end=2026-08-02T16:37:10.297912962Z ts=2026-08-02T16:37:10.298067585Z caller=main.go:190 module=http_2xx target=prometheus.io level=info msg="Probe succeeded" duration_seconds=0.231780429 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 0.021517957 # HELP probe_duration_seconds Returns how long the probe took to complete in seconds # TYPE probe_duration_seconds gauge probe_duration_seconds 0.231780429 # 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"} 0.031912161999999994 probe_http_duration_seconds{phase="processing"} 0.068854822 probe_http_duration_seconds{phase="resolve"} 0.042279529999999996 probe_http_duration_seconds{phase="tls"} 0.026728109 probe_http_duration_seconds{phase="transfer"} 0.057857234 # 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 139941 # HELP probe_http_version Returns the version of HTTP of the probe response # TYPE probe_http_version gauge probe_http_version 2 # HELP probe_ip_addr_hash Specifies the hash of IP address. It's useful to detect if the IP address changes. # TYPE probe_ip_addr_hash gauge probe_ip_addr_hash 2.590428662e+09 # 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 last SSL chain expiry in unixtime # TYPE probe_ssl_earliest_cert_expiry gauge probe_ssl_earliest_cert_expiry 1.793411196e+09 # HELP probe_ssl_last_chain_expiry_timestamp_seconds Returns last SSL chain expiry in timestamp # TYPE probe_ssl_last_chain_expiry_timestamp_seconds gauge probe_ssl_last_chain_expiry_timestamp_seconds 1.793411196e+09 # HELP probe_ssl_last_chain_info Contains SSL leaf certificate information # TYPE probe_ssl_last_chain_info gauge probe_ssl_last_chain_info{fingerprint_sha256="8452b713c27a706b048e4436ae140f275ad43dd1cb0b5a7c8cd1a9528e9c01a8",issuer="CN=WE1,O=Google Trust Services,C=US",subject="CN=prometheus.io",subjectalternative="prometheus.io,*.prometheus.io"} 1 # HELP probe_success Displays whether or not the probe was a success # TYPE probe_success gauge probe_success 1 # HELP probe_tls_version_info Returns the TLS version used or NaN when unknown # TYPE probe_tls_version_info gauge probe_tls_version_info{version="TLS 1.3"} 1 Module configuration: prober: http http: preferred_ip_protocol: ip4 ip_protocol_fallback: true follow_redirects: true enable_http2: true tcp: ip_protocol_fallback: true icmp: ip_protocol_fallback: true ttl: 64 dns: ip_protocol_fallback: true recursion_desired: true