Logs for the probe: ts=2026-04-18T22:43:37.779062236Z caller=main.go:320 module=http_2xx target=prometheus.io level=info msg="Beginning probe" probe=http timeout_seconds=5 ts=2026-04-18T22:43:37.779189344Z caller=http.go:335 module=http_2xx target=prometheus.io level=info msg="Resolving target address" ip_protocol=ip4 ts=2026-04-18T22:43:38.034372356Z caller=http.go:335 module=http_2xx target=prometheus.io level=info msg="Resolved target address" ip=172.67.201.240 ts=2026-04-18T22:43:38.034475215Z caller=client.go:251 module=http_2xx target=prometheus.io level=info msg="Making HTTP request" url=http://172.67.201.240 host=prometheus.io ts=2026-04-18T22:43:38.421952143Z caller=client.go:492 module=http_2xx target=prometheus.io level=info msg="Received redirect" location=https://prometheus.io/ ts=2026-04-18T22:43:38.422007657Z caller=client.go:251 module=http_2xx target=prometheus.io level=info msg="Making HTTP request" url=https://prometheus.io/ host= ts=2026-04-18T22:43:38.422022784Z caller=client.go:251 module=http_2xx target=prometheus.io level=info msg="Address does not match first address, not sending TLS ServerName" first=172.67.201.240 address=prometheus.io ts=2026-04-18T22:43:39.185472978Z caller=main.go:130 module=http_2xx target=prometheus.io level=info msg="Received HTTP response" status_code=200 ts=2026-04-18T22:43:39.67182075Z caller=main.go:130 module=http_2xx target=prometheus.io level=info msg="Response timings for roundtrip" roundtrip=0 start=2026-04-18T22:43:38.034568691Z dnsDone=2026-04-18T22:43:38.034568691Z connectDone=2026-04-18T22:43:38.226924315Z gotConn=2026-04-18T22:43:38.226965221Z responseStart=2026-04-18T22:43:38.42186776Z tlsStart=0001-01-01T00:00:00Z tlsDone=0001-01-01T00:00:00Z end=0001-01-01T00:00:00Z ts=2026-04-18T22:43:39.671897271Z caller=main.go:130 module=http_2xx target=prometheus.io level=info msg="Response timings for roundtrip" roundtrip=1 start=2026-04-18T22:43:38.422117531Z dnsDone=2026-04-18T22:43:38.423472474Z connectDone=2026-04-18T22:43:38.657168063Z gotConn=2026-04-18T22:43:38.920717461Z responseStart=2026-04-18T22:43:39.185387581Z tlsStart=2026-04-18T22:43:38.657221001Z tlsDone=2026-04-18T22:43:38.920643006Z end=2026-04-18T22:43:39.671781411Z ts=2026-04-18T22:43:39.671987687Z caller=main.go:320 module=http_2xx target=prometheus.io level=info msg="Probe succeeded" duration_seconds=1.8928926430000002 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 0.255241478 # HELP probe_duration_seconds Returns how long the probe took to complete in seconds # TYPE probe_duration_seconds gauge probe_duration_seconds 1.8928926430000002 # 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"} 0.426092134 probe_http_duration_seconds{phase="processing"} 0.45957267700000004 probe_http_duration_seconds{phase="resolve"} 0.256596435 probe_http_duration_seconds{phase="tls"} 0.26342203 probe_http_duration_seconds{phase="transfer"} 0.486393843 # 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 135792 # 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 1.788760585e+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 earliest SSL cert expiry in unixtime # TYPE probe_ssl_earliest_cert_expiry gauge probe_ssl_earliest_cert_expiry 1.783159903e+09 # HELP probe_ssl_last_chain_expiry_timestamp_seconds Returns last SSL chain expiry in timestamp seconds # TYPE probe_ssl_last_chain_expiry_timestamp_seconds gauge probe_ssl_last_chain_expiry_timestamp_seconds 1.783159903e+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="43dbbf6995d18b2b52137b0ce1373f5309f30d5b11fd3c60ccdb53365ac59bce"} 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 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/2.0 preferred_ip_protocol: ip4 ip_protocol_fallback: true follow_redirects: true tcp: ip_protocol_fallback: true icmp: ip_protocol_fallback: true dns: ip_protocol_fallback: true