password.microsoftonline.com - robtex.com
password.microsoftonline.com
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 #375 globally
rank #239 in the tld
This domain name "microsoftonline.com" is owned by Microsoft Corporation. It is used for various online services provided by Microsoft, such as Office 365, Outlook, OneDrive, and Azure. Users can access these services by logging into their Microsoft account through this domain. It plays a significant role in Microsoft's cloud-based services.WOT: SAFE (86/100)
📈 Tranco rank: #36
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 to login.microsoftonline.com for 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 format contoso.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, and microsoftazuread-sso.com for enterprise single sign-on capabilities.
Same first word
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DNS History
1 record (1 active, 0 former)
●MXpassword-microsoftonline-com.mail.eo.outlook.com2026-03-19 → 2026-03-22 · 2 obs
● 2026-03-22 16:25:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | g.gtld-servers.net, a.gtld-servers.net, l.gtld-servers.net, m.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: 375ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| MX | 1 | password-microsoftonline-com.mail.eo.out |
| TXT | 1 | v=spf1 include:outlook.com -all |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1-38.azure-dns.com, ns1-38.azure-dns.com)
Analysis
Mail Servers
password.microsoftonline.com is handled by a single mail server, password-microsoftonline-com.mail.eo.outlook.com.
password-microsoftonline-com.mail.eo.outlook.com resolves to eight IP addresses: 2a01:111:f403:c91d::b, 2a01:111:f403:c92c::3, 2a01:111:f403:c946::, 2a01:111:f403:f805::1, 52.101.9.0, 52.101.41.4, 52.101.50.1 and 52.101.194.4.