{
 "metric": "tls-rpt",
 "segment": "lu",
 "anchor": "domain",
 "label": "Luxembourg (domains)",
 "population": "domains in Luxembourg",
 "states": [
  "present",
  "absent"
 ],
 "quiet_failure_states": [
  "absent"
 ],
 "measurement": "Tier 0. TXT at `_smtp._tls.<domain>` for `v=TLSRPTv1`. Denominator: `has_mx`.",
 "why_it_matters": "Without TLS-RPT, a domain has no way to learn that mail to it is being delivered in the clear or that its MTA-STS policy is failing. It is the feedback loop that makes the other two enforceable rather than aspirational.",
 "limits": "Low severity and near-universally absent, so it is reported as context on adoption maturity rather than as an urgent defect.",
 "data_tier": "dns",
 "population_predicate": "has_mx",
 "entity_type": "domain",
 "kind": "failure",
 "latest": {
  "day": "2026-08-10",
  "n": 275,
  "qf_pct": 98.91,
  "ci": [
   96.84,
   99.63
  ],
  "dist": {
   "present": 1.09,
   "absent": 98.91
  },
  "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
 },
 "series": [
  {
   "day": "2026-08-01",
   "n": 101,
   "qf_pct": 98.02,
   "ci": [
    93.07,
    99.46
   ],
   "dist": {
    "present": 1.98,
    "absent": 98.02
   },
   "snapshot": "common-crawl-domain-stratified-c150-g2500-seed20260729"
  },
  {
   "day": "2026-08-03",
   "n": 101,
   "qf_pct": 98.02,
   "ci": [
    93.07,
    99.46
   ],
   "dist": {
    "present": 1.98,
    "absent": 98.02
   },
   "snapshot": "common-crawl-domain-stratified-c150-g2500-seed20260729"
  },
  {
   "day": "2026-08-04",
   "n": 275,
   "qf_pct": 98.91,
   "ci": [
    96.84,
    99.63
   ],
   "dist": {
    "present": 1.09,
    "absent": 98.91
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  },
  {
   "day": "2026-08-05",
   "n": 275,
   "qf_pct": 98.91,
   "ci": [
    96.84,
    99.63
   ],
   "dist": {
    "present": 1.09,
    "absent": 98.91
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  },
  {
   "day": "2026-08-10",
   "n": 275,
   "qf_pct": 98.91,
   "ci": [
    96.84,
    99.63
   ],
   "dist": {
    "present": 1.09,
    "absent": 98.91
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  }
 ],
 "license": "CC BY 4.0",
 "source": "https://quietfailures.com/datasets/tls-rpt/lu"
}