{
 "metric": "caa",
 "segment": "gb-small",
 "anchor": "company",
 "label": "UK small companies",
 "population": "UK small companies",
 "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": 954,
  "qf_pct": 98.43,
  "ci": [
   97.42,
   99.04
  ],
  "dist": {
   "present": 1.57,
   "absent": 98.43
  },
  "snapshot": "uk-companies-house-per600-seed20260728"
 },
 "series": [
  {
   "day": "2026-08-01",
   "n": 467,
   "qf_pct": 97.64,
   "ci": [
    95.83,
    98.68
   ],
   "dist": {
    "present": 2.36,
    "absent": 97.64
   },
   "snapshot": "uk-companies-house-per300-seed20260728"
  },
  {
   "day": "2026-08-03",
   "n": 467,
   "qf_pct": 97.43,
   "ci": [
    95.56,
    98.52
   ],
   "dist": {
    "present": 2.57,
    "absent": 97.43
   },
   "snapshot": "uk-companies-house-per300-seed20260728"
  },
  {
   "day": "2026-08-05",
   "n": 954,
   "qf_pct": 98.43,
   "ci": [
    97.42,
    99.04
   ],
   "dist": {
    "present": 1.57,
    "absent": 98.43
   },
   "snapshot": "uk-companies-house-per600-seed20260728"
  },
  {
   "day": "2026-08-11",
   "n": 954,
   "qf_pct": 98.43,
   "ci": [
    97.42,
    99.04
   ],
   "dist": {
    "present": 1.57,
    "absent": 98.43
   },
   "snapshot": "uk-companies-house-per600-seed20260728"
  }
 ],
 "license": "CC BY 4.0",
 "source": "https://quietfailures.com/datasets/caa/gb-small"
}