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Quest Diagnostics: DNS records and evidence
Everything we collected in the scan of 2026-10-19: apex records for each owned domain, every DNS zone, and per-hostname CNAME chains, addresses, networks and classification evidence. Served from stored scan data. ← Summary
Zones (1)
Each DNS zone that holds a scanned hostname: the domain apex, brand domains and any delegated subdomain. Two vendors on one zone = secondary DNS.
| Zone | DNS provider | Nameservers | Hostnames | Key |
|---|---|---|---|---|
| questdiagnostics.com primary | Self-hosted | ns1.questdiagnostics.com Inc. US ns11.questdiagnostics.com Inc. US +6 | 2 | 0 |
Hostname records (2)
Click a hostname for its records, classification evidence and history across scans.
| Hostname | CNAME chain | A / AAAA | Network (ASN, prefix) | DNS (zone) | CDN & security |
|---|---|---|---|---|---|
| questdiagnostics.comMain site Main site · primary site primary site · CDN & security Azure · DNS Self-hosted |
— | 52.232.227.90 | AS8075 Microsoft network 52.224.0.0/11 |
Self-hosted questdiagnostics.com | Azure |
| www.questdiagnostics.comMain site Main site · primary site primary site · CDN & security Azure · DNS Self-hosted |
questdiagnostics.com | 52.232.227.90 | AS8075 Microsoft network 52.224.0.0/11 |
Self-hosted questdiagnostics.com | Azure |
Tap a hostname for CNAME, IPs and evidence →
Log in free for more. After login: owned-domain records (NS, MX, mail and SPF senders, verification vendors, certificate authorities) for 1 domain, all 1 zones, a JSON export and every hostname.