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copilot.microsoft.com

Microsoft · tier critical (login / SSO) · 2.1% of the company's traffic weight · CrUX top 5,000 · scan of 2026-10-17

Azure DNSDNS (zone microsoft.com)
CloudflareEdge
Cloudflare (AS13335)104.18.16.0/20

DNS records

Statuslive
CNAME chaincopilot-copilot-msft-com.trafficmanager.net → copilot.microsoft.com.cdn.cloudflare.net
A104.18.23.222 104.18.22.222
AAAA2606:4700::6812:17de 2606:4700::6812:16de
Zonemicrosoft.com
Zone NSns1-39.azure-dns.com ns2-39.azure-dns.net ns3-39.azure-dns.org ns4-39.azure-dns.info
Origin ASNAS13335 Cloudflare (AS13335)
BGP prefix104.18.16.0/20

HTTP

GET / status301
/cdn-cgi/tracecloudflare (colo SEA)
cf-raya4c0329b1f57065f-SEA
locationhttps://copilot.com/?fromcode=cmmlf487uwy&sessionId=b80dd3a8-8af6-47d3-9e90-4797b0215b43&
servercloudflare
set-cookie(names)_C_ETH, _C_Auth, MUID, MUIDB, _EDGE_S, _EDGE_V, __cf_bm

Why we classified it this way

DNS

  • Azure DNS Azure DNS · NS ns1-39.azure-dns.com, ns2-39.azure-dns.net, ns3-39.azure-dns.org, ns4-39.azure-dns.info (confidence 95%)

Edge

  • Cloudflare Cloudflare CDN · CNAME copilot.microsoft.com.cdn.cloudflare.net; A 104.18.23.222 in published cloudflare ranges; A 104.18.23.222 in 104.18.16.0/20 originated by AS13335; /cdn-cgi/trace valid (colo=SEA) (confidence 99%)

Behind the edge / sub-signals

  • Azure Azure Traffic Manager · DNS load balancer in chain: CNAME copilot-copilot-msft-com.trafficmanager.net (confidence 80%)
  • Cloudflare Cloudflare Bot Management · cookie __cf_bm (confidence 90%)

History

ScanStatusDNSEdgeCNAME / AASN
2026-10-17liveAzure DNSCloudflarecopilot-copilot-msft-com.trafficmanager.net > copilot.microsoft.com.cdn.cloudflare.netAS13335
2026-10-17liveAzure DNSCloudflarecopilot-copilot-msft-com.trafficmanager.net > copilot.microsoft.com.cdn.cloudflare.netAS13335