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admin.duosecurity.com

Cisco · tier critical (login / SSO) · 1.5% of the company's traffic weight · scan of 2026-10-17

AWS Route 53DNS (zone duosecurity.com)
AWSEdge
AWS (AS16509)75.2.64.0/20

DNS records

Statuslive
CNAME chain—
A75.2.76.121 99.83.191.158
AAAA—
Zoneduosecurity.com
Zone NSns-1271.awsdns-30.org ns-1600.awsdns-08.co.uk ns-272.awsdns-34.com ns-896.awsdns-48.net
Origin ASNAS16509 AWS (AS16509)
BGP prefix75.2.64.0/20

HTTP

GET / status302
/cdn-cgi/traceno (404)
cf-raya4c031eb0fa8065f-SEA
location/login?next=%2F
servercloudflare

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%)

Edge

  • AWS Direct (AWS) · A 75.2.76.121 in published aws ranges (confidence 70%)

History

ScanStatusDNSEdgeCNAME / AASN
2026-10-17liveAWS Route 53AWS75.2.76.121 99.83.191.158AS16509
2026-10-17liveAWS Route 53AWS99.83.191.158 75.2.76.121AS16509