Companies › Microsoft › DNS records › outlook.office.com
outlook.office.com
Microsoft · tier critical (login / SSO) · 2.7% of the company's traffic weight · CrUX top 1,000 · scan of 2026-10-17
Azure DNSDNS (zone office.com)
AzureCDN & security
Microsoft network (AS8075)52.96.0.0/14
DNS records
| Status | live |
|---|---|
| CNAME chain | outlook.cloud.microsoft → acdcatm.outlook.mira.tm.svc.cloud.microsoft → atm.outlook.mira.tm.svc.cloud.microsoft |
| A | 52.96.91.50 52.96.121.2 52.96.121.34 52.96.164.114 |
| AAAA | 2603:1036:308:2826::2 2603:1036:308:2835::2 2603:1036:308:282b::2 2603:1036:308:2827::2 |
| Zone | office.com |
| Zone NS | ns1-05.azure-dns.com ns2-05.azure-dns.net ns3-05.azure-dns.org ns4-05.azure-dns.info |
| Origin ASN | AS8075 Microsoft network (AS8075) |
| BGP prefix | 52.96.0.0/14 |
HTTP
| GET / status | 301 |
|---|---|
| /cdn-cgi/trace | not probed |
| cf-ray | a4c032941a1b065f-SEA |
| location | https://outlook.office.com/mail/ |
| server | cloudflare |
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%)
CDN & security
- Azure Microsoft network (AS8075) · A 52.96.91.50 in 52.96.0.0/14 originated by AS8075 (confidence 80%)
History
| Scan | Status | DNS | CDN & security | CNAME / A | ASN |
|---|---|---|---|---|---|
| 2026-10-17 | live | Azure DNS | Azure | outlook.cloud.microsoft > acdcatm.outlook.mira.tm.svc.cloud.microsoft > atm.outlook.mira.tm.svc.cloud.microsoft | AS8075 |
| 2026-10-17 | live | Azure DNS | Azure | outlook.cloud.microsoft > acdcatm.outlook.mira.tm.svc.cloud.microsoft > atm.outlook.mira.tm.svc.cloud.microsoft | AS8075 |