Logs for the probe:
time=2026-11-04T19:23:12.056Z level=ERROR source=dns.go:122 msg="Rcode is not one of the valid rcodes" module=dns_soa target=8.8.8.8:53 rcode=2 string_rcode=SERVFAIL valid_rcodes=[0]
time=2026-11-04T19:23:12.057Z level=ERROR source=handler.go:130 msg="Probe failed" module=dns_soa target=8.8.8.8:53 duration_seconds=1.014080984



Metrics that would have been returned:
# HELP probe_dns_additional_rrs Returns number of entries in the additional resource record list
# TYPE probe_dns_additional_rrs gauge
probe_dns_additional_rrs 0
# HELP probe_dns_answer_rrs Returns number of entries in the answer resource record list
# TYPE probe_dns_answer_rrs gauge
probe_dns_answer_rrs 0
# HELP probe_dns_authority_rrs Returns number of entries in the authority resource record list
# TYPE probe_dns_authority_rrs gauge
probe_dns_authority_rrs 0
# HELP probe_dns_duration_seconds Duration of DNS request by phase
# TYPE probe_dns_duration_seconds gauge
probe_dns_duration_seconds{phase="connect"} 0.000118821
probe_dns_duration_seconds{phase="request"} 1.013207049
probe_dns_duration_seconds{phase="resolve"} 4.784e-06
# 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 4.784e-06
# HELP probe_dns_query_succeeded Displays whether or not the query was executed successfully
# TYPE probe_dns_query_succeeded gauge
probe_dns_query_succeeded 1
# HELP probe_dns_serial Returns the serial number of the zone
# TYPE probe_dns_serial gauge
probe_dns_serial 0
# HELP probe_duration_seconds Returns how long the probe took to complete in seconds
# TYPE probe_duration_seconds gauge
probe_duration_seconds 1.014080984
# 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 2.350491669e+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_success Displays whether or not the probe was a success
# TYPE probe_success gauge
probe_success 0



Module configuration:
prober: dns
timeout: 5s
http:
  ip_protocol_fallback: true
  follow_redirects: true
  enable_http2: true
tcp:
  ip_protocol_fallback: true
icmp:
  ip_protocol_fallback: true
  ttl: 64
dns:
  preferred_ip_protocol: ip4
  ip_protocol_fallback: true
  transport_protocol: udp
  query_name: antonnovikov.com
  query_type: SOA
  recursion_desired: true
  validate_answer_rrs:
    fail_if_not_matches_regexp:
    - .*ns1\.antonnovikov\.com.*