{
 "metric": "cert-expiry",
 "segment": "be",
 "anchor": "domain",
 "label": "Belgium (domains)",
 "population": "domains in Belgium",
 "states": [
  "valid_30d_plus",
  "expiring_under_30d",
  "expired"
 ],
 "quiet_failure_states": [
  "expiring_under_30d",
  "expired"
 ],
 "measurement": "Tier 2, one TLS handshake; read `not_after`. Denominator: `has_web`.",
 "why_it_matters": "The certificate nobody owns. Expiry is a scheduled, entirely predictable outage that still takes sites down constantly, because renewal was somebody's manual task and that somebody left.",
 "limits": null,
 "data_tier": "tls",
 "population_predicate": "has_web",
 "entity_type": "domain",
 "kind": "failure",
 "latest": {
  "day": "2026-08-12",
  "n": 275,
  "qf_pct": 6.91,
  "ci": [
   4.47,
   10.54
  ],
  "dist": {
   "valid_30d_plus": 93.09,
   "expiring_under_30d": 6.91,
   "expired": 0
  },
  "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
 },
 "series": [
  {
   "day": "2026-08-01",
   "n": 99,
   "qf_pct": 9.09,
   "ci": [
    4.86,
    16.38
   ],
   "dist": {
    "valid_30d_plus": 90.91,
    "expiring_under_30d": 7.07,
    "expired": 2.02
   },
   "snapshot": "common-crawl-domain-stratified-c150-g2500-seed20260729"
  },
  {
   "day": "2026-08-03",
   "n": 98,
   "qf_pct": 8.16,
   "ci": [
    4.19,
    15.29
   ],
   "dist": {
    "valid_30d_plus": 91.84,
    "expiring_under_30d": 8.16,
    "expired": 0
   },
   "snapshot": "common-crawl-domain-stratified-c150-g2500-seed20260729"
  },
  {
   "day": "2026-08-05",
   "n": 276,
   "qf_pct": 5.43,
   "ci": [
    3.32,
    8.77
   ],
   "dist": {
    "valid_30d_plus": 94.57,
    "expiring_under_30d": 5.43,
    "expired": 0
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  },
  {
   "day": "2026-08-12",
   "n": 275,
   "qf_pct": 6.91,
   "ci": [
    4.47,
    10.54
   ],
   "dist": {
    "valid_30d_plus": 93.09,
    "expiring_under_30d": 6.91,
    "expired": 0
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  }
 ],
 "license": "CC BY 4.0",
 "source": "https://quietfailures.com/datasets/cert-expiry/be"
}