Companies › Cisco › DNS records › www.duosecurity.com
www.duosecurity.com
Cisco · tier critical (marketing / brand) · 0.3% of the company's traffic weight · scan of 2026-10-17
AWS Route 53DNS (zone duosecurity.com)
AWSCDN & security
AWS (AS16509)52.85.129.0/24
DNS records
| Status | live |
|---|---|
| CNAME chain | — |
| A | 52.85.129.10 52.85.129.6 52.85.129.91 52.85.129.98 |
| AAAA | — |
| Zone | duosecurity.com |
| Zone NS | ns-1271.awsdns-30.org ns-1600.awsdns-08.co.uk ns-272.awsdns-34.com ns-896.awsdns-48.net |
| Origin ASN | AS16509 AWS (AS16509) |
| BGP prefix | 52.85.129.0/24 |
HTTP
| GET / status | 301 |
|---|---|
| /cdn-cgi/trace | not probed |
| cf-ray | a4c0320be950065f-SEA |
| location | https://duo.com/ |
| server | cloudflare |
| via | 1.1 b669d9add7767f73665f1f8b7e8cd802.cloudfront.net (CloudFront) |
| x-amz-cf-id | FPbQxfQKkNjjaEdqilArXUOcCApvfO83ta3izg9DRTu1Hgxt-22PiA== |
| x-amz-cf-pop | SEA900-P10 |
| x-cache | Hit from cloudfront |
Why we classified it this way
DNS
- AWS Route 53 AWS Route 53 · NS ns-1271.awsdns-30.org, ns-1600.awsdns-08.co.uk, ns-272.awsdns-34.com, ns-896.awsdns-48.net (confidence 95%)
CDN & security
- AWS AWS CloudFront (IP range) · A 52.85.129.10 in published aws_cloudfront ranges; x-amz-cf-* / via CloudFront (confidence 93%)
History
| Scan | Status | DNS | CDN & security | CNAME / A | ASN |
|---|---|---|---|---|---|
| 2026-10-17 | live | AWS Route 53 | AWS | 52.85.129.10 52.85.129.6 52.85.129.91 52.85.129.98 | AS16509 |
| 2026-10-17 | live | AWS Route 53 | AWS | 52.85.129.91 52.85.129.10 52.85.129.6 52.85.129.98 | AS16509 |