{
 "metric": "caa",
 "segment": "global",
 "anchor": "domain",
 "label": "global domains",
 "population": "domains worldwide",
 "states": [
  "present",
  "absent"
 ],
 "quiet_failure_states": [
  "absent"
 ],
 "measurement": "Tier 0. CAA records at the apex. Denominator: `any`.",
 "why_it_matters": "Without CAA, *any* public CA may issue a certificate for the domain, so mis-issuance has no technical backstop. Cheap to publish, almost nobody does.",
 "limits": null,
 "data_tier": "dns",
 "population_predicate": "any",
 "entity_type": "domain",
 "kind": "failure",
 "latest": {
  "day": "2026-08-11",
  "n": 15007,
  "qf_pct": 97.68,
  "ci": [
   97.43,
   97.91
  ],
  "dist": {
   "absent": 97.68,
   "present": 2.32
  },
  "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
 },
 "series": [
  {
   "day": "2026-08-01",
   "n": 6204,
   "qf_pct": 97.7,
   "ci": [
    97.29,
    98.04
   ],
   "dist": {
    "present": 2.3,
    "absent": 97.7
   },
   "snapshot": "common-crawl-domain-stratified-c150-g2500-seed20260729"
  },
  {
   "day": "2026-08-03",
   "n": 6207,
   "qf_pct": 97.66,
   "ci": [
    97.26,
    98.01
   ],
   "dist": {
    "present": 2.34,
    "absent": 97.66
   },
   "snapshot": "common-crawl-domain-stratified-c150-g2500-seed20260729"
  },
  {
   "day": "2026-08-05",
   "n": 15007,
   "qf_pct": 97.69,
   "ci": [
    97.43,
    97.92
   ],
   "dist": {
    "absent": 97.69,
    "present": 2.31
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  },
  {
   "day": "2026-08-11",
   "n": 15007,
   "qf_pct": 97.68,
   "ci": [
    97.43,
    97.91
   ],
   "dist": {
    "absent": 97.68,
    "present": 2.32
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  }
 ],
 "license": "CC BY 4.0",
 "source": "https://quietfailures.com/datasets/caa/global"
}