Companies › Microsoft › DNS records › support.microsoft.com
support.microsoft.com
Microsoft · tier critical (support / help) · 3.6% of the company's traffic weight · CrUX top 1,000 · scan of 2026-10-17
Azure DNSDNS (zone microsoft.com)
AzureCDN & security
Microsoft network (AS8075)150.171.0.0/16
DNS records
| Status | live |
|---|---|
| CNAME chain | emerald-prod-asgth3agbdfbhpgz.b02.azurefd.net → mr-b02.tm-azurefd.net |
| A | 150.171.110.148 |
| AAAA | 2603:1061:14:194::1 |
| Zone | microsoft.com |
| Zone NS | ns1-39.azure-dns.com ns2-39.azure-dns.net ns3-39.azure-dns.org ns4-39.azure-dns.info |
| Origin ASN | AS8075 Microsoft network (AS8075) |
| BGP prefix | 150.171.0.0/16 |
HTTP
| GET / status | 301 |
|---|---|
| /cdn-cgi/trace | not probed |
| cf-ray | a4c032942a28065f-SEA |
| location | /en-us/ |
| server | cloudflare |
| x-azure-ref | 20261017T150445Z-r1fbdfc658dhx7tfhC1CO1c95800000014ug00000000amu2 |
| x-cache | CONFIG_NOCACHE |
| set-cookie(names) | EXPID |
Why we classified it this way
DNS
- Azure DNS Azure DNS · NS ns1-39.azure-dns.com, ns2-39.azure-dns.net, ns3-39.azure-dns.org, ns4-39.azure-dns.info (confidence 95%)
CDN & security
- Azure Azure Front Door · CNAME emerald-prod-asgth3agbdfbhpgz.b02.azurefd.net; A 150.171.110.148 in 150.171.0.0/16 originated by AS8075; header x-azure-ref (confidence 99%)