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Companies › Microsoft › DNS records › www.outlook.com

www.outlook.com

Microsoft · tier critical (marketing / brand) · 0.2% of the company's traffic weight · scan of 2026-10-17

Azure DNSDNS (zone outlook.com)
AzureEdge
Microsoft network (AS8075)40.104.0.0/15

DNS records

Statuslive
CNAME chainoutlook.office365.com → outlook.cloud.microsoft → acdcatm.outlook.mira.tm.svc.cloud.microsoft → atm.outlook.mira.tm.svc.cloud.microsoft
A40.104.230.194 40.104.231.18 52.96.69.98 52.96.181.66
AAAA2603:1036:308:282c::2 2603:1036:308:2817::2 2603:1036:308:2826::2 2603:1036:308:282b::2
Zoneoutlook.com
Zone NSns1-05.azure-dns.com ns2-05.azure-dns.net ns3-05.azure-dns.org ns4-05.azure-dns.info
Origin ASNAS8075 Microsoft network (AS8075)
BGP prefix40.104.0.0/15

HTTP

GET / status301
/cdn-cgi/tracenot probed
cf-raya4c0329f6a95065f-SEA
locationhttps://www.outlook.com/mail/
servercloudflare

Why we classified it this way

DNS

  • Azure DNS Azure DNS · NS ns1-05.azure-dns.com, ns2-05.azure-dns.net, ns3-05.azure-dns.org, ns4-05.azure-dns.info (confidence 95%)

Edge

  • Azure Microsoft network (AS8075) · A 40.104.230.194 in 40.104.0.0/15 originated by AS8075 (confidence 80%)

History

ScanStatusDNSEdgeCNAME / AASN
2026-10-17liveAzure DNSAzureoutlook.office365.com > outlook.cloud.microsoft > acdcatm.outlook.mira.tm.svc.cloud.microsoft > atm.outlook.mira.tm.svc.cloud.microsoftAS8075
2026-10-17liveAzure DNSAzureoutlook.office365.com > outlook.cloud.microsoft > acdcatm.outlook.mira.tm.svc.cloud.microsoft > shed.outlook.acdc.tm.svc.cloud.microsoftAS8075