{"id":"idm-dns-port-53-firewalld","text":"DNS service (port 53 TCP/UDP) must be open in firewalld on IdM servers running integrated DNS.","truth_value":"IN","source":"repo:entries/2026/03/04/en-documentation-red_hat_enterprise_linux-9-html-working_with_dns_in_identity_ma.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"idm-dns-port-53-firewalld","truth_value":"IN","reason":"premise"}]}}