Companies › Cisco › DNS records › status.duo.com
status.duo.com
Cisco · tier critical (support / help) · 0.3% of the company's traffic weight · scan of 2026-10-17
AWS Route 53DNS (zone duo.com)
AWSEdge
AWS (AS16509)18.172.168.0/21
DNS records
| Status | live |
|---|---|
| CNAME chain | qrxf5mzbrsxw.stspg-customer.com |
| A | 18.172.170.23 18.172.170.53 18.172.170.87 18.172.170.17 |
| AAAA | — |
| 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 | 18.172.168.0/21 |
HTTP
| GET / status | 200 |
|---|---|
| /cdn-cgi/trace | not probed |
| cf-ray | a4c03201e979065f-SEA |
| server | cloudflare |
| server-timing | atl-edge;dur=76,atl-edge-internal;dur=17,atl-edge-upstream;dur=59,atl-edge-pop;desc="aws-us-east-1" |
| via | 1.1 94d1167faad8c4981cbe31298f27eeb8.cloudfront.net (CloudFront) |
| x-amz-cf-id | sahXechJlmQwcxQpN9rE7xKfmaGdX-E3z7vHeYfnTCC5mWLVrBoxHg== |
| x-amz-cf-pop | SEA73-P3 |
| x-cache | Miss 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%)
Edge
- AWS AWS CloudFront (IP range) · A 18.172.170.23 in published aws_cloudfront ranges; x-amz-cf-* / via CloudFront (confidence 93%)
History
| Scan | Status | DNS | Edge | CNAME / A | ASN |
|---|---|---|---|---|---|
| 2026-10-17 | live | AWS Route 53 | AWS | qrxf5mzbrsxw.stspg-customer.com | AS16509 |
| 2026-10-17 | live | AWS Route 53 | AWS | qrxf5mzbrsxw.stspg-customer.com | AS16509 |