Companies › Microsoft › DNS records › login.microsoftonline.com
login.microsoftonline.com
Microsoft · tier critical (login / SSO) · 0.3% of the company's traffic weight · scan of 2026-10-17
Azure DNSDNS (zone microsoftonline.com)
AzureEdge
Microsoft network (AS8075)20.184.0.0/13
DNS records
| Status | live |
|---|---|
| CNAME chain | login.mso.msidentity.com → ak.privatelink.msidentity.com → www.tm.a.prd.aadg.akadns.net |
| A | 20.190.151.134 20.190.151.67 20.190.151.8 20.190.151.69 |
| AAAA | 2603:1036:3000:e8::4 2603:1036:3000:f0::2 2603:1036:3000:f0::1 2603:1036:3000:f0::4 |
| Zone | microsoftonline.com |
| Zone NS | ns1-38.azure-dns.com ns2-38.azure-dns.net ns3-38.azure-dns.org ns4-38.azure-dns.info |
| Origin ASN | AS8075 Microsoft network (AS8075) |
| BGP prefix | 20.184.0.0/13 |
HTTP
| GET / status | 302 |
|---|---|
| /cdn-cgi/trace | not probed |
| cf-ray | a4c032a10bdc065f-SEA |
| location | https://www.office.com/login# |
| server | cloudflare |
| set-cookie(names) | fpc, esctx, x-ms-gateway-slice, stsservicecookie |
Why we classified it this way
DNS
- Azure DNS Azure DNS · NS ns1-38.azure-dns.com, ns2-38.azure-dns.net, ns3-38.azure-dns.org, ns4-38.azure-dns.info (confidence 95%)
Edge
- Azure Microsoft network (AS8075) · A 20.190.151.134 in 20.184.0.0/13 originated by AS8075 (confidence 80%)
Behind the edge / sub-signals
- Akamai Akamai GTM · DNS load balancer in chain: CNAME via Akamai GTM (akadns.net) only (confidence 50%)