interstructure.microsoftonline.com - dns.ninja

`interstructure.microsoftonline.com`

DNSSEC	⚠️ Not signed
MX	`interstructure-microsoftonline-com.mail.eo.outlook.com` ⭐
		A	2a01:111:f403:c902::3^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj0pr03cu01703.inbound.protection.outlook.com`
		A	2a01:111:f403:c922::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bl0pr03cu00200.inbound.protection.outlook.com`
		A	2a01:111:f403:f804::2^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-co1pr05cu00402.inbound.protection.outlook.com`
		A	2a01:111:f403:f902::2^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-mn2pr02cu00202.inbound.protection.outlook.com`
		A	52.101.8.42^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dm6pr03cu00402.inbound.protection.outlook.com`
		A	52.101.10.6^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bn1pr21cu00106.inbound.protection.outlook.com`
		A	52.101.40.6^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cy1pr03cu00106.inbound.protection.outlook.com`
		A	52.101.41.22^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj2pr05cu00406.inbound.protection.outlook.com`
TXT	`v=spf1 include:outlook.com -all`

`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.com`msnhst@microsoft.com serial=2017971531

WOT: SAFE (66/100)
rank #339 globally
rank #216 in the tld

microsoftonline.com

microsoftonline.com is a domain operated by Microsoft that provides authentication and portal services for its cloud offerings such as Office 365 and Azure AD.

Key facts

Owner / operator: Microsoft
TLD:.com— gTLD
Primary purpose: authentication and portal services for Microsoft cloud platforms (Office 365, Azure AD)
Status: active

History

Year	Event
2008	Launch of Microsoft Online Services platform, domain first used for cloud service authentication
2011	Introduction of Office 365, with`login.microsoftonline.com`as the sign‑in endpoint
2020	Rebranding of Office 365 to Microsoft 365, domain continues as authentication hub

Notable subdomains or services

login.microsoftonline.com– sign‑in service for Microsoft cloud accounts
portal.microsoftonline.com– admin portal for managing subscriptions

Related domains

microsoft.com
office.com
azure.com

Semrush Rank:#105,779 Keywords:3,905 Traffic:17,740/mo
WOT: SAFE (86/100)
📈 Tranco rank: #40

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.

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.

MX for

interstructure.net

Same first word

interstructure.io

interstructure.com

interstructure.net

DNS History

1 record (1 active, 0 former)

●MXinterstructure-microsoftonline-com.mail.eo.outlook.com2015-06-07 → 2026-08-04 · 2 obs

● 2015-06-07 18:24:28
● 2026-08-04 06:14:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.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:13.107.222.38

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: 165ms | Queries: -

📄 Records

Type	Count	Sample Data
MX	1	`interstructure-microsoftonline-com.mail.`
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 Server Role

interstructure.microsoftonline.com is a mail server for interstructure.net.

The mail servers interstructure.mail.eo.outlook.com and interstructure-net.mail.protection.outlook.com are often used together with interstructure.microsoftonline.com.

Mail Servers

interstructure.microsoftonline.com routes its mail through a single mail server, interstructure-microsoftonline-com.mail.eo.outlook.com.

interstructure-microsoftonline-com.mail.eo.outlook.com directs to 8 IP numbers, including 52.101.8.42, 52.101.10.6 and 52.101.40.6, along with 5 other.

interstructure.microsoftonline.com - dns.ninja