Logs for the probe: ts=2026-04-19T17:51:38.069383335Z caller=main.go:320 module=http_2xx target=https://github.com level=info msg="Beginning probe" probe=http timeout_seconds=23.5 ts=2026-04-19T17:51:38.069458086Z caller=http.go:335 module=http_2xx target=https://github.com level=info msg="Resolving target address" ip_protocol=ip6 ts=2026-04-19T17:51:38.157925805Z caller=http.go:335 module=http_2xx target=https://github.com level=info msg="Resolving target address" ip_protocol=ip4 ts=2026-04-19T17:51:38.229533984Z caller=http.go:335 module=http_2xx target=https://github.com level=info msg="Resolved target address" ip=140.82.121.4 ts=2026-04-19T17:51:38.229611669Z caller=client.go:251 module=http_2xx target=https://github.com level=info msg="Making HTTP request" url=https://140.82.121.4 host=github.com ts=2026-04-19T17:51:38.464213863Z caller=main.go:130 module=http_2xx target=https://github.com level=info msg="Received HTTP response" status_code=502 ts=2026-04-19T17:51:38.464240158Z caller=main.go:130 module=http_2xx target=https://github.com level=info msg="Invalid HTTP response status code, wanted 2xx" status_code=502 ts=2026-04-19T17:51:38.606194627Z caller=main.go:130 module=http_2xx target=https://github.com level=info msg="Response timings for roundtrip" roundtrip=0 start=2026-04-19T17:51:38.22965484Z dnsDone=2026-04-19T17:51:38.22965484Z connectDone=2026-04-19T17:51:38.303131999Z gotConn=2026-04-19T17:51:38.39094737Z responseStart=2026-04-19T17:51:38.464175632Z tlsStart=2026-04-19T17:51:38.30316074Z tlsDone=2026-04-19T17:51:38.390894563Z end=2026-04-19T17:51:38.606184336Z ts=2026-04-19T17:51:38.606252699Z caller=main.go:320 module=http_2xx target=https://github.com level=error msg="Probe failed" duration_seconds=0.536844634 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 0.160126234 # HELP probe_duration_seconds Returns how long the probe took to complete in seconds # TYPE probe_duration_seconds gauge probe_duration_seconds 0.536844634 # 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 55118 # 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"} 0.073477171 probe_http_duration_seconds{phase="processing"} 0.073228278 probe_http_duration_seconds{phase="resolve"} 0.160126234 probe_http_duration_seconds{phase="tls"} 0.08773383 probe_http_duration_seconds{phase="transfer"} 0.142008682 # HELP probe_http_redirects The number of redirects # TYPE probe_http_redirects gauge probe_http_redirects 0 # 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 502 # HELP probe_http_uncompressed_body_length Length of uncompressed response body # TYPE probe_http_uncompressed_body_length gauge probe_http_uncompressed_body_length 55118 # 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 8.58371782e+08 # 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 1.780531199e+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 1.780531199e+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="9716d39441ca651c51be78e969ca385ec213ec17715b8c91f01ee652f90fc62c"} 1 # HELP probe_success Displays whether or not the probe was a success # TYPE probe_success gauge probe_success 0 # 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 http: ip_protocol_fallback: true follow_redirects: true tcp: ip_protocol_fallback: true icmp: ip_protocol_fallback: true dns: ip_protocol_fallback: true