Logs for the probe:
ts=2026-04-18T16:30:38.06950422Z caller=main.go:320 module=http_2xx target=https://github.com level=info msg="Beginning probe" probe=http timeout_seconds=23.5
ts=2026-04-18T16:30:38.069575952Z caller=http.go:335 module=http_2xx target=https://github.com level=info msg="Resolving target address" ip_protocol=ip6
ts=2026-04-18T16:30:38.163819329Z caller=http.go:335 module=http_2xx target=https://github.com level=info msg="Resolving target address" ip_protocol=ip4
ts=2026-04-18T16:30:38.235675995Z caller=http.go:335 module=http_2xx target=https://github.com level=info msg="Resolved target address" ip=140.82.121.4
ts=2026-04-18T16:30:38.23572816Z 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=2026-04-18T16:30:38.472186602Z caller=main.go:130 module=http_2xx target=https://github.com level=info msg="Received HTTP response" status_code=504
ts=2026-04-18T16:30:38.472212543Z caller=main.go:130 module=http_2xx target=https://github.com level=info msg="Invalid HTTP response status code, wanted 2xx" status_code=504
ts=2026-04-18T16:30:38.472232717Z caller=main.go:130 module=http_2xx target=https://github.com level=info msg="Response timings for roundtrip" roundtrip=0 start=2026-04-18T16:30:38.23577129Z dnsDone=2026-04-18T16:30:38.23577129Z connectDone=2026-04-18T16:30:38.309612933Z gotConn=2026-04-18T16:30:38.398296606Z responseStart=2026-04-18T16:30:38.472110406Z tlsStart=2026-04-18T16:30:38.309639701Z tlsDone=2026-04-18T16:30:38.398259471Z end=2026-04-18T16:30:38.472227498Z
ts=2026-04-18T16:30:38.472275981Z caller=main.go:320 module=http_2xx target=https://github.com level=error msg="Probe failed" duration_seconds=0.402748202



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 0.166124436
# HELP probe_duration_seconds Returns how long the probe took to complete in seconds
# TYPE probe_duration_seconds gauge
probe_duration_seconds 0.402748202
# 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 92
# 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"} 0.073841657
probe_http_duration_seconds{phase="processing"} 0.073813829
probe_http_duration_seconds{phase="resolve"} 0.166124436
probe_http_duration_seconds{phase="tls"} 0.08861978
probe_http_duration_seconds{phase="transfer"} 0.000117065
# 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 504
# HELP probe_http_uncompressed_body_length Length of uncompressed response body
# TYPE probe_http_uncompressed_body_length gauge
probe_http_uncompressed_body_length 92
# 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