Companies › UnitedHealth Group › DNS records › clearance.optum.com
clearance.optum.com
UnitedHealth Group · tier other (other) · 0.2% of the company's traffic weight · CrUX top 1,000,000 · scan of 2026-10-17
CSCDNS (zone optum.com)
CloudflareEdge
Cloudflare (AS13335)104.18.37.0/24
DNS records
| Status | live |
|---|---|
| CNAME chain | clearance.optum.com.cdn.cloudflare.net |
| A | 104.18.37.197 172.64.150.59 |
| AAAA | 2606:4700:4406::ac40:963b 2a06:98c1:3101::6812:25c5 |
| Zone | optum.com |
| Zone NS | epla1.corpnamesvcs.com epla2.corpnamesvcs.com |
| Origin ASN | AS13335 Cloudflare (AS13335) |
| BGP prefix | 104.18.37.0/24 |
HTTP
| GET / status | 200 |
|---|---|
| /cdn-cgi/trace | cloudflare (colo SEA) |
| cf-ray | a4c0a33f491d6808-SEA |
| server | cloudflare |
| server-timing | traceparent;desc="00-3611c1e662a5454a1f637010ce6bb734-d8a9ff79da4cb331-01" |
| x-powered-by | ASP.NET |
| set-cookie(names) | ASP.NET_SessionId, ASP.NET_SessionId, __RequestVerificationToken, XSRF-TOKEN, AWSALBAPP-0, AWSALBAPP-1, AWSALBAPP-2, AWSALBAPP-3, __cf_bm |
Why we classified it this way
DNS
- CSC CSC · NS epla1.corpnamesvcs.com, epla2.corpnamesvcs.com (confidence 95%)
Edge
- Cloudflare Cloudflare CDN · CNAME clearance.optum.com.cdn.cloudflare.net; A 104.18.37.197 in published cloudflare ranges; A 104.18.37.197 in 104.18.37.0/24 originated by AS13335; /cdn-cgi/trace valid (colo=SEA) (confidence 99%)
Behind the edge / sub-signals
- Cloudflare Cloudflare Bot Management · cookie __cf_bm (confidence 90%)
History
| Scan | Status | DNS | Edge | CNAME / A | ASN |
|---|---|---|---|---|---|
| 2026-10-17 | live | CSC | Cloudflare | clearance.optum.com.cdn.cloudflare.net | AS13335 |