Domain Information OUTLOOK.OFFICE.COM

📅 27 yearsACTIVE — 190 d.

Domain

Domain: outlook.office.com

Registrar: MarkMonitor Inc.

Created: 20.04.1999 04:00

Updated: 13.05.2026 21:30

Expires: 20.04.2027 04:00

Status:

clientDeleteProhibitedClient Delete Prohibited — The registrar has set this status to prevent the domain from being deleted. clientTransferProhibitedClient Transfer Prohibited — The registrar has locked the domain to prevent transfer to another registrar. clientUpdateProhibitedClient Update Prohibited — The registrar has locked the domain to prevent any changes to the domain record. serverDeleteProhibitedServer Delete Prohibited — The registry has set this status to prevent the domain from being deleted. serverTransferProhibitedServer Transfer Prohibited — The registry has locked the domain to prevent transfer. serverUpdateProhibitedServer Update Prohibited — The registry has locked the domain to prevent any changes.

WHOIS server: whois.markmonitor.com

DNS: NS1-05.AZURE-DNS.COM, NS2-05.AZURE-DNS.NET, NS3-05.AZURE-DNS.ORG, NS4-05.AZURE-DNS.INFO

DNSSEC: ✅ Signed

Registry RDAP

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WHOIS

--- Registrar WHOIS ---
Domain Name: office.com
Registry Domain ID: 5514748_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.markmonitor.com
Registrar URL: http://www.markmonitor.com
Updated Date: 2026-05-14T14:16:27+0000
Creation Date: 1999-04-20T04:00:00+0000
Registrar Registration Expiration Date: 2027-04-20T00:00:00+0000
Registrar: MarkMonitor, Inc.
Registrar IANA ID: 292
Registrar Abuse Contact: https://corp.markmonitor.com/domain/ui/abuse-report
Registrar Abuse Contact Phone: +1.2086851750
Domain Status: clientUpdateProhibited (https://www.icann.org/epp#clientUpdateProhibited)
Domain Status: clientTransferProhibited (https://www.icann.org/epp#clientTransferProhibited)
Domain Status: clientDeleteProhibited (https://www.icann.org/epp#clientDeleteProhibited)
Domain Status: serverUpdateProhibited (https://www.icann.org/epp#serverUpdateProhibited)
Domain Status: serverTransferProhibited (https://www.icann.org/epp#serverTransferProhibited)
Domain Status: serverDeleteProhibited (https://www.icann.org/epp#serverDeleteProhibited)
Registrant Name: Domain Administrator
Registrant Organization: Microsoft Corporation
Registrant Street: One Microsoft Way, 
Registrant City: Redmond
Registrant State/Province: WA
Registrant Postal Code: 98052
Registrant Country: US
Registrant Phone: +1.4258828080
Registrant Phone Ext: 
Registrant Fax: +1.4259367329
Registrant Fax Ext: 
Registrant Email: domains@microsoft.com
Tech Name: MSN Hostmaster
Tech Phone: +1.4258828080
Tech Email: msnhst@microsoft.com
Name Server: ns3-05.azure-dns.org
Name Server: ns4-05.azure-dns.info
Name Server: ns1-05.azure-dns.com
Name Server: ns2-05.azure-dns.net
DNSSEC: signedDelegation
URL of the ICANN WHOIS Data Problem Reporting System: http://wdprs.internic.net/
>>> Last update of WHOIS database: 2026-09-28T03:24:00+0000 > Last update of whois database: 2026-09-28T03:24:59Z

Registrar WHOIS

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IP addresses for domain outlook.office.com

40.104.46.50 (A)

Washington, United States

AS8075 Microsoft Corporation

52.96.88.34 (A)

Washington, United States

AS8075 Microsoft Corporation

52.96.88.50 (A)

Washington, United States

AS8075 Microsoft Corporation

52.96.179.114 (A)

Washington, United States

AS8075 Microsoft Corporation

2603:1036:302:4835::2 (AAAA)

Washington, United States

AS8075 Microsoft Corporation

2603:1036:302:4833::2 (AAAA)

Washington, United States

AS8075 Microsoft Corporation

2603:1036:302:415c::2 (AAAA)

Washington, United States

AS8075 Microsoft Corporation

2603:1036:302:5059::2 (AAAA)

Washington, United States

AS8075 Microsoft Corporation

Updated: 🔄 Refresh Report an error

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A Gateway to Modern Communication

The domain outlook.office.com serves as the primary web portal for Microsoft Outlook, offering users seamless access to email, calendars, and productivity tools. Launched as part of Microsoft's broader cloud strategy, this address connects millions worldwide to their professional and personal correspondence every day.

Ownership and Longevity

Owned by Microsoft Corporation, the domain traces its roots back to April 20, 1999. It has remained active for over 27 years, with the latest WHOIS update recorded on March 19, 2026. The registrar is MarkMonitor Inc., ensuring robust protection through multiple status flags including clientDeleteProhibited and serverTransferProhibited. These measures reflect the high-value nature of the asset tied to one of the world's largest technology firms.

Services at Your Fingertips

Visiting outlook.office.com grants immediate entry to a feature-rich web application. Users manage inboxes, schedule meetings, and collaborate via integrated tools. The platform supports real-time synchronization across devices and includes advanced search, filtering, and security features powered by Microsoft's cloud infrastructure.

DNS records reveal a sophisticated setup with multiple CNAME chains leading to Azure-based endpoints and IP addresses hosted by Microsoft in locations such as Virginia. This architecture delivers reliable performance and scalability for global users.

Connections Within the Microsoft Ecosystem

outlook.office.com links closely to related properties including office.com and microsoft.com. These interconnections enable fluid transitions between email, document editing, and team collaboration environments. The domain's DNS configuration further ties it to Microsoft's Azure DNS services, highlighting the company's unified approach to cloud computing.

Why It Matters Today

With an expiration date set for April 20, 2027, outlook.office.com continues to evolve alongside Microsoft 365 offerings. Its stable presence since the late 1990s underscores Microsoft's commitment to reliable digital communication tools that adapt to changing user needs without disruption.

Frequently Asked Questions

▶ What is the domain outlook.office.com?

It is the web address for Microsoft Outlook on the web, providing access to email, calendar, and productivity features as part of Microsoft 365.

▶ When was outlook.office.com registered?

The domain was created on April 20, 1999, and has remained active for more than 27 years as of May 2026.

▶ Who is the registrar for this domain?

MarkMonitor Inc. serves as the registrar, handling registration and providing WHOIS data through whois.markmonitor.com.

▶ What services does outlook.office.com offer?

The site delivers web-based email management, calendar scheduling, task organization, and integration with other Microsoft tools for seamless productivity.

▶ What other facts are notable about this domain?

It uses multiple IP addresses hosted by Microsoft Corporation and features DNSSEC disabled, with updates as recent as March 2026 and expiration in April 2027.

Created: | Report an error

Previous versions: 17.04.2026

This is an archived version of the article from 19.05.2026. View current version →

WHOIS History

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How much is outlook.office.com worth?

AI estimate of the domain's market value based on comparable sales and market trends.