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help.zscaler.com
Zscaler · tier critical (support / help) · 3.8% of the company's traffic weight · CrUX top 1,000,000 · scan of 2026-10-17
DNS Made EasyDNS (zone zscaler.com)
AWSCDN & security
AWS (AS16509)99.86.96.0/21
DNS records
| Status | live |
|---|---|
| CNAME chain | d1xxuf0q4fqqny.cloudfront.net |
| A | 99.86.101.73 99.86.101.10 99.86.101.91 99.86.101.128 |
| AAAA | 2600:9000:212d:a000:1f:af2a:1f80:93a1 2600:9000:212d:e200:1f:af2a:1f80:93a1 2600:9000:212d:b800:1f:af2a:1f80:93a1 2600:9000:212d:e00:1f:af2a:1f80:93a1 |
| Zone | zscaler.com |
| Zone NS | ns14.dnsmadeeasy.com ns12.dnsmadeeasy.com ns11.dnsmadeeasy.com ns10.dnsmadeeasy.com ns13.dnsmadeeasy.com ns15.dnsmadeeasy.com |
| Origin ASN | AS16509 AWS (AS16509) |
| BGP prefix | 99.86.96.0/21 |
HTTP
| GET / status | 200 |
|---|---|
| /cdn-cgi/trace | not probed |
| cf-ray | a4c1a3ad0cadfa59-SEA |
| server | cloudflare |
| via | 1.1 9c18f39bc7750dd0ef90cc8fed59268a.cloudfront.net (CloudFront) |
| x-amz-cf-id | 0rtofFodI0wblIjFOM_YfK2XsJLxGnRPWBjZuwUJWpgmjOXm88agsQ== |
| x-amz-cf-pop | SEA900-P13 |
| x-cache | Hit from cloudfront |
Why we classified it this way
DNS
- DNS Made Easy DNS Made Easy · NS ns10.dnsmadeeasy.com, ns11.dnsmadeeasy.com, ns12.dnsmadeeasy.com, ns13.dnsmadeeasy.com, ns14.dnsmadeeasy.com, ns15.dnsmadeeasy.com (confidence 95%)
CDN & security
- AWS AWS CloudFront · CNAME d1xxuf0q4fqqny.cloudfront.net; A 99.86.101.73 in published aws_cloudfront ranges; A 99.86.101.73 in 99.86.96.0/21 originated by AS16509; x-amz-cf-* / via CloudFront (confidence 99%)
History
| Scan | Status | DNS | CDN & security | CNAME / A | ASN |
|---|---|---|---|---|---|
| 2026-10-17 | live | DNS Made Easy | AWS | d1xxuf0q4fqqny.cloudfront.net | AS16509 |