admin.microsoftonline.com - dns.ninja
admin.microsoftonline.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 65.55.171.166🇺🇸 Microsoft65.52.0.0/14 MICROSOFT | ||||||
microsoftonline.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1-38.azure-dns.com ⭐ | ||||||
| NS | ns2-38.azure-dns.net | ||||||
| NS | ns3-38.azure-dns.org | ||||||
| NS | ns4-38.azure-dns.info | ||||||
| MX | messaging-microsoft-com.mail.protection.outlook.com ⭐ | ||||||
| TXT | v=spf1 ip4:216.32.180.228 include:spfa.microsoftonline.com include:spf-exactt... | ||||||
| TXT | google-site-verification=y-tlrGiMNJkBF1UO4Xk0GjbVwYk3p5urCieV9B1sHJ0 | ||||||
| TXT | google-site-verification=CNZTg2P9nNfuZUJdHTYBONoHbOjMq7UPVvxoqMgomfQ | ||||||
| SOA | ns1-38.azure-dns.commsnhst@microsoft.com serial=2017971531 | ||||||
rank #340 globally
rank #217 in the tld
Semrush Rank:#105,779 Keywords:3,905 Traffic:17,740/mo
WOT: SAFE (86/100)
📈 Tranco rank: #38
Overview
microsoftonline.com is Microsoft's primary authentication domain for cloud services. The most commonly encountered subdomain,login.microsoftonline.com, serves as the official sign-in portal for Microsoft 365, Azure, and other Microsoft cloud platforms.
Key Functions
- Identity Authentication: Handles user login for Microsoft 365, Office 365, Azure, and Dynamics CRM Online
- OAuth2 Authorization: Processes authentication flows via endpoints like
/common/oauth2/authorize - Microsoft Entra ID (formerly Azure Active Directory): Serves as the authentication endpoint for Microsoft's cloud-based identity and access management service
- Single Sign-On (SSO): Enables seamless authentication across Microsoft's ecosystem of services
Technical Details
When users sign into Microsoft services, they are redirected tologin.microsoftonline.comfor credential verification. The domain handles:
- Username validation via
/common/GetCredentialType - Credential submission via
/common/login - Token issuance for authorized applications
Organizations using Microsoft cloud services automatically receive a tenant domain in the formatcontoso.onmicrosoft.com, which integrates with this authentication infrastructure.
Related Domains
Microsoft's authentication ecosystem includes several interconnected domains:login.live.com,login.microsoft.com,login.windows.net, andmicrosoftazuread-sso.comfor enterprise single sign-on capabilities.
Same first word
Similar names
DNS History
1 record (1 active, 0 former)
●A65.55.171.1662015-06-04 → 2026-06-13 · 2 obs
● 2026-06-13 08:45:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| microsoftonline.com | ns4-38.azure-dns.info, ns3-38.azure-dns.org, ns2-38.azure-dns.net, ns1-38.azure-dns.com | 2 records |
✅ Authoritative Response
Server:150.171.16.38
NS records: ns4-38.azure-dns.info, ns3-38.azure-dns.org, ns2-38.azure-dns.net, ns1-38.azure-dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for microsoftonline.com (unsigned zone)
⏱️ Timing
Total: 193ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 65.55.171.166 |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1-38.azure-dns.com, ns1-38.azure-dns.com)
Analysis
IP Addresses
admin.microsoftonline.com directs to one IP number, which is 65.55.171.166.