{
 "metric": "cert-trust",
 "segment": "kr",
 "anchor": "domain",
 "label": "South Korea (domains)",
 "population": "domains in South Korea",
 "states": [
  "ok",
  "hostname_mismatch",
  "self_signed"
 ],
 "quiet_failure_states": [
  "hostname_mismatch",
  "self_signed"
 ],
 "measurement": "Tier 2; compare issuer/subject and check the SAN list covers the host. Denominator: `has_web`.",
 "why_it_matters": "HTTPS is present, the port is open, TLS negotiates — and every visitor gets a browser warning, or would if they checked. Encryption without authentication.",
 "limits": null,
 "data_tier": "tls",
 "population_predicate": "has_web",
 "entity_type": "domain",
 "kind": "failure",
 "latest": {
  "day": "2026-08-12",
  "n": 161,
  "qf_pct": 34.78,
  "ci": [
   27.86,
   42.42
  ],
  "dist": {
   "ok": 65.22,
   "hostname_mismatch": 14.29,
   "self_signed": 20.5
  },
  "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
 },
 "series": [
  {
   "day": "2026-08-01",
   "n": 49,
   "qf_pct": 38.78,
   "ci": [
    26.43,
    52.75
   ],
   "dist": {
    "ok": 61.22,
    "hostname_mismatch": 16.33,
    "self_signed": 22.45
   },
   "snapshot": "common-crawl-domain-stratified-c150-g2500-seed20260729"
  },
  {
   "day": "2026-08-03",
   "n": 50,
   "qf_pct": 40,
   "ci": [
    27.61,
    53.82
   ],
   "dist": {
    "ok": 60,
    "hostname_mismatch": 18,
    "self_signed": 22
   },
   "snapshot": "common-crawl-domain-stratified-c150-g2500-seed20260729"
  },
  {
   "day": "2026-08-04",
   "n": 162,
   "qf_pct": 34.57,
   "ci": [
    27.68,
    42.17
   ],
   "dist": {
    "ok": 65.43,
    "hostname_mismatch": 14.2,
    "self_signed": 20.37
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  },
  {
   "day": "2026-08-05",
   "n": 162,
   "qf_pct": 35.19,
   "ci": [
    28.25,
    42.8
   ],
   "dist": {
    "ok": 64.81,
    "hostname_mismatch": 14.81,
    "self_signed": 20.37
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  },
  {
   "day": "2026-08-12",
   "n": 161,
   "qf_pct": 34.78,
   "ci": [
    27.86,
    42.42
   ],
   "dist": {
    "ok": 65.22,
    "hostname_mismatch": 14.29,
    "self_signed": 20.5
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  }
 ],
 "license": "CC BY 4.0",
 "source": "https://quietfailures.com/datasets/cert-trust/kr"
}