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status.duosecurity.com

Cisco · tier critical (support / help) · 0.3% of the company's traffic weight · scan of 2026-10-17

AWS Route 53DNS (zone duosecurity.com)
AWSEdge
AWS (AS16509)52.85.129.0/24

DNS records

Statuslive
CNAME chain—
A52.85.129.122 52.85.129.22 52.85.129.49 52.85.129.94
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 prefix52.85.129.0/24

HTTP

GET / status301
/cdn-cgi/tracenot probed
cf-raya4c03218eb94065f-SEA
locationhttps://status.duo.com/
servercloudflare
via1.1 4ac8d091dce10e726cfc5404bfed72b8.cloudfront.net (CloudFront)
x-amz-cf-idXmo-fqfFT7ccneQmHiVhbQj4pshdatDjzi_6iEC5g5s7O8p-W6plSQ==
x-amz-cf-popSEA900-P10
x-cacheHit 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%)

Edge

  • AWS AWS CloudFront (IP range) · A 52.85.129.122 in published aws_cloudfront ranges; x-amz-cf-* / via CloudFront (confidence 93%)

History

ScanStatusDNSEdgeCNAME / AASN
2026-10-17liveAWS Route 53AWS52.85.129.122 52.85.129.22 52.85.129.49 52.85.129.94AS16509
2026-10-17liveAWS Route 53AWS52.85.129.94 52.85.129.122 52.85.129.49 52.85.129.22AS16509