Logs for the probe: time=2026-09-09T07:07:22.740Z level=ERROR source=http.go:599 msg="Invalid HTTP response status code" module=http_2xx target=https://javis-ai.jp status_code=404 valid_status_codes=[200] time=2026-09-09T07:07:22.740Z level=ERROR source=handler.go:130 msg="Probe failed" module=http_2xx target=https://javis-ai.jp duration_seconds=0.330329052 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 0.12541674 # HELP probe_duration_seconds Returns how long the probe took to complete in seconds # TYPE probe_duration_seconds gauge probe_duration_seconds 0.330329052 # 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 0 # 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"} 0.066412089 probe_http_duration_seconds{phase="processing"} 0.067370603 probe_http_duration_seconds{phase="resolve"} 0.12541674 probe_http_duration_seconds{phase="tls"} 0.070807931 probe_http_duration_seconds{phase="transfer"} 0.000129155 # 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 404 # HELP probe_http_uncompressed_body_length Length of uncompressed response body # TYPE probe_http_uncompressed_body_length gauge probe_http_uncompressed_body_length 0 # HELP probe_http_version Returns the version of HTTP of the probe response # TYPE probe_http_version gauge probe_http_version 1.1 # 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 3.798953787e+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 1.792038336e+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 1.792038336e+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="7845c3abd6e5621738803a9d830bdc2bfbc13b5ba3d57b1f7ef199cdbf6ec23a",issuer="CN=YR2,O=Let's Encrypt,C=US",serialnumber="05a3efd490b16ada9c527dbb0dcfdc4211a8",subject="CN=javis-ai.jp",subjectalternative="javis-ai.jp"} 1 # HELP probe_success Displays whether or not the probe was a success # TYPE probe_success gauge probe_success 0 # HELP probe_tls_cipher_info Returns the TLS cipher negotiated during handshake # TYPE probe_tls_cipher_info gauge probe_tls_cipher_info{cipher="TLS_AES_128_GCM_SHA256"} 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 timeout: 5s http: valid_status_codes: - 200 valid_http_versions: - HTTP/1.1 - HTTP/2.0 preferred_ip_protocol: ip4 ip_protocol_fallback: true method: GET 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