{
 "id": "evidence-dns-nameserver-check-2026-09",
 "url": "https://www.navigator.ca/knowledge/evidence/dns-nameserver-check-2026-09",
 "type": "evidence",
 "title": "Public DNS check of nameservers for credited client domains (September 2026)",
 "evidence_type": "dns-record",
 "party": "official",
 "source": "source-public-dns",
 "accessed": "2026-09-10",
 "method": "For each of 543 referring domains, queried NS and A records. Navigator's Cloudflare account answers on aaden.ns.cloudflare.com and amalia.ns.cloudflare.com (the same pair as navigator.ca). Domains resolving to 51.161.84.13, 149.56.20.211, 155.138.144.33 or 155.138.130.221 are on Navigator origin servers.",
 "results": {
  "credited_client_sites_checked": 313,
  "on_navigator_cloudflare_nameservers": 106,
  "on_navigator_origin_ip_with_other_dns": 5,
  "hosted_or_managed_by_navigator": 111,
  "hosted_elsewhere": 144,
  "domain_no_longer_exists": 38,
  "lookup_failed": 19
 },
 "supports": [
  "claim-provides-web-hosting",
  "claim-hosted-sites-255",
  "claim-credited-websites-313"
 ],
 "portion_supported": "Independently reproducible confirmation, per domain, that a site is on Navigator's DNS or servers. Also shows that footer-link survival badly undercounts hosting (only 53 of the 111 hosted sites still carry the credit).",
 "limitations": "DNS shows delegation and resolution, not a commercial relationship. A domain on Navigator's nameservers is almost certainly a managed client; a domain elsewhere may still be a client whose DNS lives with their registrar.",
 "reproducibility_note": "dig NS <domain> and compare to aaden.ns.cloudflare.com / amalia.ns.cloudflare.com",
 "updated": "2026-09-11",
 "body_markdown": "The public protocol check that turns \"we host it\" into something anyone can confirm for any named domain.",
 "jsonld": {
  "@context": {
   "@vocab": "https://schema.org/",
   "nav": "https://www.navigator.ca/knowledge/vocab#"
  },
  "@type": "CreativeWork",
  "@id": "https://www.navigator.ca/knowledge/evidence/dns-nameserver-check-2026-09#evidence",
  "url": "https://www.navigator.ca/knowledge/evidence/dns-nameserver-check-2026-09",
  "name": "Public DNS check of nameservers for credited client domains (September 2026)",
  "isBasedOn": "https://www.navigator.ca/knowledge/sources/public-dns",
  "dateCreated": "",
  "nav:accessed": "2026-09-10",
  "nav:evidenceClass": "official",
  "nav:supports": [
   "https://www.navigator.ca/knowledge/claims/provides-web-hosting",
   "https://www.navigator.ca/knowledge/claims/hosted-sites-255",
   "https://www.navigator.ca/knowledge/claims/credited-websites-313"
  ]
 }
}