{
 "metric": "cert-trust",
 "segment": "at",
 "anchor": "domain",
 "label": "Austria (domains)",
 "population": "domains in Austria",
 "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": 281,
  "qf_pct": 11.39,
  "ci": [
   8.18,
   15.63
  ],
  "dist": {
   "ok": 88.61,
   "hostname_mismatch": 9.96,
   "self_signed": 1.42
  },
  "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
 },
 "series": [
  {
   "day": "2026-08-01",
   "n": 101,
   "qf_pct": 13.86,
   "ci": [
    8.44,
    21.93
   ],
   "dist": {
    "ok": 86.14,
    "hostname_mismatch": 10.89,
    "self_signed": 2.97
   },
   "snapshot": "common-crawl-domain-stratified-c150-g2500-seed20260729"
  },
  {
   "day": "2026-08-03",
   "n": 103,
   "qf_pct": 15.53,
   "ci": [
    9.79,
    23.75
   ],
   "dist": {
    "self_signed": 3.88,
    "hostname_mismatch": 11.65,
    "ok": 84.47
   },
   "snapshot": "common-crawl-domain-stratified-c150-g2500-seed20260729"
  },
  {
   "day": "2026-08-04",
   "n": 283,
   "qf_pct": 11.31,
   "ci": [
    8.12,
    15.53
   ],
   "dist": {
    "ok": 88.69,
    "hostname_mismatch": 9.89,
    "self_signed": 1.41
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  },
  {
   "day": "2026-08-05",
   "n": 282,
   "qf_pct": 11.35,
   "ci": [
    8.15,
    15.58
   ],
   "dist": {
    "ok": 88.65,
    "hostname_mismatch": 9.93,
    "self_signed": 1.42
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  },
  {
   "day": "2026-08-12",
   "n": 281,
   "qf_pct": 11.39,
   "ci": [
    8.18,
    15.63
   ],
   "dist": {
    "ok": 88.61,
    "hostname_mismatch": 9.96,
    "self_signed": 1.42
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  }
 ],
 "license": "CC BY 4.0",
 "source": "https://quietfailures.com/datasets/cert-trust/at"
}