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docs.cisco.com
Cisco · tier critical (developer / API) · 0.6% of the company's traffic weight · scan of 2026-10-17
Akamai Edge DNS + Self-hostedDNS (zone cisco.com)
Self-hostedEdge
AS109173.36.0.0/17
DNS records
| Status | live |
|---|---|
| CNAME chain | dng-prod-active-passive.xglb-v3.cisco.com |
| A | 173.36.111.168 |
| AAAA | — |
| Zone | cisco.com |
| Zone NS | a28-64.akam.net a3-64.akam.net ns3.cisco.com ns2.cisco.com ns1.cisco.com |
| Origin ASN | AS109 AS109 |
| BGP prefix | 173.36.0.0/17 |
HTTP
| GET / status | 303 |
|---|---|
| /cdn-cgi/trace | no (404) |
| cf-ray | a4c031f7692d065f-SEA |
| location | https://dng-prod-alln.cisco.com/check?final_redirect=eyJ1cmwiOiAiaHR0cHM6Ly9kb2NzLmNpc2NvLmNvbS8iLCAic3ZjIjogImRvY3MuY2lzY28uY29tIn0%3D%7C%7C1792249460%7Ced92a68dea9c8b8856c2ec11c176e6057089ebc44e5c56 |
| server | cloudflare |
Why we classified it this way
DNS
- Akamai Edge DNS Akamai Edge DNS · NS a28-64.akam.net, a3-64.akam.net (confidence 95%)
- Self-hosted Self-hosted · NS ns1.cisco.com → ? AS109 (company network), ns2.cisco.com → ? AS109 (company network), ns3.cisco.com → ? AS109 (company network) (confidence 90%)
Edge
- Self-hosted Self-hosted (AS109) · origin on the company's own network (AS109), no CDN/WAF/cloud signal (confidence 85%)
History
| Scan | Status | DNS | Edge | CNAME / A | ASN |
|---|---|---|---|---|---|
| 2026-10-17 | live | Akamai Edge DNS Self-hosted | Self-hosted | dng-prod-active-passive.xglb-v3.cisco.com | AS109 |
| 2026-10-17 | live | Self-hosted Akamai Edge DNS | Self-hosted | dng-prod-active-passive.xglb-v3.cisco.com | AS109 |