Companies › Microsoft › DNS records › www.microsoft365.com
www.microsoft365.com
Microsoft · tier critical (login / SSO) · 0.3% of the company's traffic weight · scan of 2026-10-17
Azure DNSDNS (zone microsoft365.com)
AzureEdge
Microsoft network (AS8075)23.103.128.0/17
DNS records
| Status | live |
|---|---|
| CNAME chain | officehomemcm.anc.tm.svc.cloud.microsoft → officehomemcm.afdcafe.tm.svc.cloud.microsoft → atm.common.mira.tm.svc.cloud.microsoft |
| A | 23.103.225.157 23.103.225.177 23.103.225.196 23.103.225.201 |
| AAAA | 2603:1061:10::13 2603:1061:10:1::13 |
| Zone | microsoft365.com |
| Zone NS | ns1-33.azure-dns.com ns2-33.azure-dns.net ns3-33.azure-dns.org ns4-33.azure-dns.info |
| Origin ASN | AS8075 Microsoft network (AS8075) |
| BGP prefix | 23.103.128.0/17 |
HTTP
| GET / status | 302 |
|---|---|
| /cdn-cgi/trace | not probed |
| cf-ray | a4c032a22cc1065f-SEA |
| location | HTTPS://m365.cloud.microsoft/ |
| server | cloudflare |
| x-msedge-ref | MIRA: 72fdd2fc-0eeb-18d8-9517-4c9206cac078 MW4PR04CA0114 2026-10-17T15:04:47.766Z |
Why we classified it this way
DNS
- Azure DNS Azure DNS · NS ns1-33.azure-dns.com, ns2-33.azure-dns.net, ns3-33.azure-dns.org, ns4-33.azure-dns.info (confidence 95%)
Edge
- Azure Microsoft network (AS8075) · A 23.103.225.157 in 23.103.128.0/17 originated by AS8075; header x-msedge-ref (confidence 83%)
History
| Scan | Status | DNS | Edge | CNAME / A | ASN |
|---|---|---|---|---|---|
| 2026-10-17 | live | Azure DNS | Azure | officehomemcm.anc.tm.svc.cloud.microsoft > officehomemcm.afdcafe.tm.svc.cloud.microsoft > atm.common.mira.tm.svc.cloud.microsoft | AS8075 |
| 2026-10-17 | live | Azure DNS | Azure | officehomemcm.anc.tm.svc.cloud.microsoft > officehomemcm.afdcafe.tm.svc.cloud.microsoft > home-office365-com.bx-0004.bx-msedge.net > bx-0004.bx-msedge.net | AS8075 |