Company Index › Quest Diagnostics › DNS records › www.questdiagnostics.com
www.questdiagnostics.com
Quest Diagnostics · Main site · CrUX top 50,000 · scan of 2026-10-19 · last checked 2026-10-19
Self-hostedDNS (zone questdiagnostics.com)
AzureCDN & security
AS8075 Microsoft network52.224.0.0/11
Records
| Status | live |
|---|---|
| CNAME chain | questdiagnostics.com |
| A | 52.232.227.90 |
| AAAA | — |
| Zone | questdiagnostics.com |
| Zone NS | ns3.questdiagnostics.com ns12.questdiagnostics.com ns11.questdiagnostics.com ns1.questdiagnostics.com |
| Network (ASN) | AS8075 Microsoft network |
| BGP prefix | 52.224.0.0/11 |
| DNS evidence | NS ns1.questdiagnostics.com → 216.203.80.72 AS27021 AS-DGX - Quest Diagnostics, Inc., US (company network), ns11.questdiagnostics.com → 216.203.95.72 AS27021 AS-DGX - Quest Diagnostics, Inc., US (company network), ns12.questdiagnostics.com → 216.203.95.73 AS27021 AS-DGX - Quest Diagnostics, Inc., US (company network), ns3.questdiagnostics.com → 216.203.80.73 AS27021 AS-DGX - Quest Diagnostics, Inc., US (company network) |
| CDN evidence | A 52.232.227.90 in published Azure ranges |