{
 "metric": "cert-trust",
 "segment": "nz",
 "anchor": "domain",
 "label": "New Zealand (domains)",
 "population": "domains in New Zealand",
 "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": 245,
  "qf_pct": 3.67,
  "ci": [
   1.94,
   6.83
  ],
  "dist": {
   "ok": 96.33,
   "hostname_mismatch": 3.27,
   "self_signed": 0.41
  },
  "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
 },
 "series": [
  {
   "day": "2026-08-01",
   "n": 84,
   "qf_pct": 4.76,
   "ci": [
    1.87,
    11.61
   ],
   "dist": {
    "ok": 95.24,
    "hostname_mismatch": 3.57,
    "self_signed": 1.19
   },
   "snapshot": "common-crawl-domain-stratified-c150-g2500-seed20260729"
  },
  {
   "day": "2026-08-03",
   "n": 85,
   "qf_pct": 3.53,
   "ci": [
    1.21,
    9.87
   ],
   "dist": {
    "self_signed": 1.18,
    "hostname_mismatch": 2.35,
    "ok": 96.47
   },
   "snapshot": "common-crawl-domain-stratified-c150-g2500-seed20260729"
  },
  {
   "day": "2026-08-04",
   "n": 246,
   "qf_pct": 4.07,
   "ci": [
    2.22,
    7.32
   ],
   "dist": {
    "ok": 95.93,
    "hostname_mismatch": 3.66,
    "self_signed": 0.41
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  },
  {
   "day": "2026-08-05",
   "n": 246,
   "qf_pct": 4.07,
   "ci": [
    2.22,
    7.32
   ],
   "dist": {
    "ok": 95.93,
    "hostname_mismatch": 3.66,
    "self_signed": 0.41
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  },
  {
   "day": "2026-08-12",
   "n": 245,
   "qf_pct": 3.67,
   "ci": [
    1.94,
    6.83
   ],
   "dist": {
    "ok": 96.33,
    "hostname_mismatch": 3.27,
    "self_signed": 0.41
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  }
 ],
 "license": "CC BY 4.0",
 "source": "https://quietfailures.com/datasets/cert-trust/nz"
}