{"rule_id":"AB-068","category":"discovery","icon":"🌐","title":"DNS Agent Discovery","short_description":"Your domain has DNS records that help agents discover your services automatically.","user_value":"DNS-based discovery means agents can find you without prior knowledge of your URL — like a phone book for AI.","wrong_example":"No DNS discovery records. Agents can only find you if they already know your URL.","right_example":"DNS records announce your agent services to the world.","effort_hint":"moderate","estimated_cost":"$10-50","severity":"low","pillar":"discovery","version":"1.0.0","counted_in_score":true,"check":{"type":"http_probe","sources":["dns_aid"],"target":"_agent.{domain}"},"fix":{"eligible":false,"type":"none","note":"DNS-AID records require manual DNS configuration — publish TXT record at _agent.{domain}"},"checklist_anchor":"#AB-068","checklist_url":"/agent-readiness-checklist#AB-068","html_url":"/rules/AB-068","json_url":"/rules/AB-068.json","related_rules":[{"rule_id":"AB-001","title":"Robots.txt File","category":"discovery"},{"rule_id":"AB-002","title":"Sitemap File","category":"discovery"},{"rule_id":"AB-003","title":"Agent Guide","category":"discovery"},{"rule_id":"AB-014","title":"LLMs.txt File","category":"discovery"},{"rule_id":"AB-061","title":"Link Relationships","category":"discovery"},{"rule_id":"AB-062","title":"API Catalog","category":"discovery"},{"rule_id":"AB-066","title":"Content Signals","category":"discovery"},{"rule_id":"AB-110","title":"Blog articles in AI sitemap","category":"discovery"},{"rule_id":"AB-111","title":"Crawl-delay directive in robots.txt","category":"discovery"},{"rule_id":"AB-113","title":"LLM policy file","category":"discovery"}]}