Companies › Cisco › DNS records › labs.duo.com
labs.duo.com
Cisco · tier other (other) · 0.1% of the company's traffic weight · scan of 2026-10-17
AWS Route 53DNS (zone duo.com)
AWSCDN & security
AWS (AS16509)3.165.160.0/21
DNS records
| Status | live |
|---|---|
| CNAME chain | d1lw81n5ui3zol.cloudfront.net |
| A | 3.165.160.96 3.165.160.110 3.165.160.90 3.165.160.69 |
| AAAA | 2600:9000:2732:6200:8:d0dc:5940:93a1 2600:9000:2732:6c00:8:d0dc:5940:93a1 2600:9000:2732:4200:8:d0dc:5940:93a1 2600:9000:2732:c200:8:d0dc:5940:93a1 |
| Zone | duo.com |
| Zone NS | ns-1365.awsdns-42.org ns-1733.awsdns-24.co.uk ns-55.awsdns-06.com ns-932.awsdns-52.net |
| Origin ASN | AS16509 AWS (AS16509) |
| BGP prefix | 3.165.160.0/21 |
HTTP
| GET / status | 301 |
|---|---|
| /cdn-cgi/trace | not probed |
| cf-ray | a4c03253b8f9065f-SEA |
| location | http://duo.com/labs/ |
| server | cloudflare |
| via | 1.1 1a281dfc2e5a0200437a3a423a066b96.cloudfront.net (CloudFront) |
| x-amz-cf-id | hm-rLkd0XpkyfNiefe6anLcS3uFGzPcv7MFP2f-vJnY31ZGiiycLlA== |
| x-amz-cf-pop | SEA900-P6 |
| x-cache | Hit from cloudfront |
Why we classified it this way
DNS
- AWS Route 53 AWS Route 53 · NS ns-1365.awsdns-42.org, ns-1733.awsdns-24.co.uk, ns-55.awsdns-06.com, ns-932.awsdns-52.net (confidence 95%)
CDN & security
- AWS AWS CloudFront · CNAME d1lw81n5ui3zol.cloudfront.net; A 3.165.160.96 in published aws_cloudfront ranges; A 3.165.160.96 in 3.165.160.0/21 originated by AS16509; x-amz-cf-* / via CloudFront (confidence 99%)
History
| Scan | Status | DNS | CDN & security | CNAME / A | ASN |
|---|---|---|---|---|---|
| 2026-10-17 | live | AWS Route 53 | AWS | d1lw81n5ui3zol.cloudfront.net | AS16509 |
| 2026-10-17 | live | AWS Route 53 | AWS | d1lw81n5ui3zol.cloudfront.net | AS16509 |