Logs for the probe:
time=2026-01-05T12:30:49.456Z level=INFO source=handler.go:122 msg="Beginning probe" module=http_2xx target=https://www.alfatraining.de probe=http timeout_seconds=9.5
time=2026-01-05T12:30:49.456Z level=INFO source=utils.go:61 msg="Resolving target address" module=http_2xx target=https://www.alfatraining.de target=www.alfatraining.de ip_protocol=ip6
time=2026-01-05T12:30:49.474Z level=INFO source=utils.go:130 msg="Resolved target address" module=http_2xx target=https://www.alfatraining.de target=www.alfatraining.de ip=159.69.102.213
time=2026-01-05T12:30:49.474Z level=INFO source=http.go:153 msg="Making HTTP request" module=http_2xx target=https://www.alfatraining.de url=https://159.69.102.213 host=www.alfatraining.de
time=2026-01-05T12:30:49.497Z level=INFO source=http.go:479 msg="Received HTTP response" module=http_2xx target=https://www.alfatraining.de status_code=503
time=2026-01-05T12:30:49.497Z level=INFO source=http.go:494 msg="Invalid HTTP response status code, wanted 2xx" module=http_2xx target=https://www.alfatraining.de status_code=503
time=2026-01-05T12:30:49.497Z level=INFO source=http.go:601 msg="Response timings for roundtrip" module=http_2xx target=https://www.alfatraining.de roundtrip=0 start=2026-01-05T12:30:49.474Z dnsDone=2026-01-05T12:30:49.474Z connectDone=2026-01-05T12:30:49.475Z gotConn=2026-01-05T12:30:49.478Z responseStart=2026-01-05T12:30:49.496Z tlsStart=2026-01-05T12:30:49.475Z tlsDone=2026-01-05T12:30:49.478Z end=2026-01-05T12:30:49.497Z
time=2026-01-05T12:30:49.497Z level=ERROR source=handler.go:135 msg="Probe failed" module=http_2xx target=https://www.alfatraining.de duration_seconds=0.040937994



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 0.018095047
# HELP probe_duration_seconds Returns how long the probe took to complete in seconds
# TYPE probe_duration_seconds gauge
probe_duration_seconds 0.040937994
# 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"} 0.000984527
probe_http_duration_seconds{phase="processing"} 0.01806821
probe_http_duration_seconds{phase="resolve"} 0.018095047
probe_http_duration_seconds{phase="tls"} 0.002778618
probe_http_duration_seconds{phase="transfer"} 0.000405134
# 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 503
# HELP probe_http_uncompressed_body_length Length of uncompressed response body
# TYPE probe_http_uncompressed_body_length gauge
probe_http_uncompressed_body_length 687
# 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 3.3874e+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 last SSL chain expiry in unixtime
# TYPE probe_ssl_earliest_cert_expiry gauge
probe_ssl_earliest_cert_expiry 1.772500157e+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 1.772500157e+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="e79b33f87f42e02df4eff0eda0cd582badcbe191ff6cfc0042a990ff87c1c089",issuer="CN=E8,O=Let's Encrypt,C=US",serialnumber="05ce8d7145a970327cbdfff614f52d3386c2",subject="CN=www.alfatraining.de",subjectalternative="www.alfatraining.de"} 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
http:
  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