Logs for the probe: ts=2026-03-12T05:28:28.713031567Z caller=main.go:181 module=http_2xx target=prometheus.io level=info msg="Beginning probe" probe=http timeout_seconds=119.5 ts=2026-03-12T05:28:28.713151142Z caller=http.go:328 module=http_2xx target=prometheus.io level=info msg="Resolving target address" target=prometheus.io ip_protocol=ip4 ts=2026-03-12T05:28:28.714511926Z 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=2026-03-12T05:28:28.714581436Z caller=client.go:252 module=http_2xx target=prometheus.io level=info msg="Making HTTP request" url=http://104.21.60.220 host=prometheus.io ts=2026-03-12T05:28:28.727174043Z caller=client.go:498 module=http_2xx target=prometheus.io level=info msg="Received redirect" location=https://prometheus.io/ ts=2026-03-12T05:28:28.727293256Z caller=client.go:252 module=http_2xx target=prometheus.io level=info msg="Making HTTP request" url=https://prometheus.io/ host= ts=2026-03-12T05:28:28.727331849Z caller=client.go:252 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=2026-03-12T05:28:28.766984067Z caller=handler.go:120 module=http_2xx target=prometheus.io level=info msg="Received HTTP response" status_code=200 ts=2026-03-12T05:28:28.777270816Z caller=handler.go:120 module=http_2xx target=prometheus.io level=info msg="Response timings for roundtrip" roundtrip=0 start=2026-03-12T06:28:28.714651979+01:00 dnsDone=2026-03-12T06:28:28.714651979+01:00 connectDone=2026-03-12T06:28:28.71994857+01:00 gotConn=2026-03-12T06:28:28.719999506+01:00 responseStart=2026-03-12T06:28:28.727032046+01:00 tlsStart=0001-01-01T00:00:00Z tlsDone=0001-01-01T00:00:00Z end=0001-01-01T00:00:00Z ts=2026-03-12T05:28:28.777323555Z caller=handler.go:120 module=http_2xx target=prometheus.io level=info msg="Response timings for roundtrip" roundtrip=1 start=2026-03-12T06:28:28.727466902+01:00 dnsDone=2026-03-12T06:28:28.729049764+01:00 connectDone=2026-03-12T06:28:28.734250766+01:00 gotConn=2026-03-12T06:28:28.748320746+01:00 responseStart=2026-03-12T06:28:28.766871847+01:00 tlsStart=2026-03-12T06:28:28.734324003+01:00 tlsDone=2026-03-12T06:28:28.748219826+01:00 end=2026-03-12T06:28:28.777256078+01:00 ts=2026-03-12T05:28:28.777393306Z caller=main.go:181 module=http_2xx target=prometheus.io level=info msg="Probe succeeded" duration_seconds=0.064325912 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 0.001370032 # HELP probe_duration_seconds Returns how long the probe took to complete in seconds # TYPE probe_duration_seconds gauge probe_duration_seconds 0.064325912 # 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"} 0.010548539 probe_http_duration_seconds{phase="processing"} 0.025583682 probe_http_duration_seconds{phase="resolve"} 0.002952894 probe_http_duration_seconds{phase="tls"} 0.013895822 probe_http_duration_seconds{phase="transfer"} 0.010384232 # 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 134060 # 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 1.778043063e+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 1.778043063e+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="4d9209ad35da58cfb1220dd1fdd3fd3fadea4e353e4715a6d8e7db867bf9f2ea",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