DNS public resolution quorum
102-dns-public-resolution-quorum.yaml
DNS
What this example does
DNS infrastructure verification: DNS public resolution quorum. It helps detect resolution, delegation or published-record problems.
Checks and behavior
- Queries DNS records or resolver behavior ([{'type': 'A', 'min_count': 1, 'max_response_time': 2.0}]).
- Formats results for icinga2 output.
Adapt example domains, addresses, credentials and thresholds to your environment before use.
YAML configuration
# Copyright (c) 2026 mati peterson. Maintainer: mati peterson <ipsonic@mailbox.org>. Project: https://ipsonic.com/probe/. Disclaimer: Provided AS IS, without warranty of any kind. Use at your own risk; validate checks and configurations before production use.
# DNS availability: compare two approved resolvers and tolerate transient errors.
# Use internal resolver IPs if public recursive DNS is prohibited.
name: "DNS public resolution quorum"
dns:
name: www.example.com
compare_nameservers: [192.0.2.53, 192.0.2.54]
require_identical: true
records:
- type: A
min_count: 1
max_response_time: 2.0
monitoring:
service_name: "DNS Resolution Consistency"
output: icinga2
on_failure: critical