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api.choice.bing.com

Microsoft · tier critical (developer / API) · 0.7% of the company's traffic weight · scan of 2026-10-17

Azure DNS + NS1 (IBM)DNS (zone bing.com)
AzureEdge
Microsoft network (AS8075)150.171.0.0/16

DNS records

Statuslive
CNAME chainapi.choice.microsoft.com.akadns.net → choice-prod-a8caadhkdvd5gvhb.b02.azurefd.net → mr-b02.tm-azurefd.net
A150.171.110.147
AAAA2603:1061:14:192::1
Zonebing.com
Zone NSns1-204.azure-dns.com ns2-204.azure-dns.net ns3-204.azure-dns.org ns4-204.azure-dns.info dns1.p09.nsone.net dns2.p09.nsone.net dns3.p09.nsone.net dns4.p09.nsone.net
Origin ASNAS8075 Microsoft network (AS8075)
BGP prefix150.171.0.0/16

HTTP

GET / status404
/cdn-cgi/tracenot probed
cf-raya4c032b47a3e065f-SEA
servercloudflare
x-azure-ref20261017T150450Z-15f978b6664lcjsrhC1CO1qp5g00000023rg000000000qgm
x-cacheCONFIG_NOCACHE
set-cookie(names)MS-CV

Why we classified it this way

DNS

  • Azure DNS Azure DNS · NS ns1-204.azure-dns.com, ns2-204.azure-dns.net, ns3-204.azure-dns.org, ns4-204.azure-dns.info (confidence 95%)
  • NS1 (IBM) NS1 (IBM) · NS dns1.p09.nsone.net, dns2.p09.nsone.net, dns3.p09.nsone.net, dns4.p09.nsone.net (confidence 95%)

Edge

  • Azure Azure Front Door · CNAME choice-prod-a8caadhkdvd5gvhb.b02.azurefd.net; A 150.171.110.147 in 150.171.0.0/16 originated by AS8075; header x-azure-ref (confidence 99%)

History

ScanStatusDNSEdgeCNAME / AASN
2026-10-17liveAzure DNS NS1 (IBM)Azureapi.choice.microsoft.com.akadns.net > choice-prod-a8caadhkdvd5gvhb.b02.azurefd.net > mr-b02.tm-azurefd.netAS8075
2026-10-17liveAzure DNS NS1 (IBM)Azureapi.choice.microsoft.com.akadns.net > choice-prod-a8caadhkdvd5gvhb.b02.azurefd.net > mr-b02.tm-azurefd.netAS8075