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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The Enduring Presence of outlook.office.com

Registered on April 20, 1999, the domain outlook.office.com has maintained an active status for over 27 years as of June 2026. Its parent domain, office.com, is managed through MarkMonitor Inc., a registrar known for handling high-profile corporate registrations. The domain's WHOIS record, accessible via whois.markmonitor.com, shows an update as recent as March 19, 2026, with an expiration date set for April 20, 2027.

Strict Status Locks in Place

Multiple protective statuses are active on the domain:

clientDeleteProhibited
clientTransferProhibited
clientUpdateProhibited
serverDeleteProhibited
serverTransferProhibited
serverUpdateProhibited

These settings, enforced at both registrar and registry levels, effectively lock the domain against unauthorized changes, transfers, or deletions.

DNS Configuration and Resolution

The domain relies on Azure DNS nameservers:

DNS records reveal a chain of CNAME entries leading from outlook.office.com to outlook.cloud.microsoft, ultimately resolving to several IPv4 addresses hosted by Microsoft Corporation (AS8075) in Toronto, Ontario, Canada. No DNSSEC signing is configured.

Live Website Insights

Visiting outlook.office.com directs users to a Microsoft account sign-in page for accessing email services. The page includes options for account creation, sign-in troubleshooting, and links to terms of use and privacy statements. Ownership details for the specific subdomain are not publicly disclosed in the available WHOIS data.

This setup highlights a long-standing digital asset with enterprise-grade security measures and modern cloud DNS hosting, underscoring its role in reliable online infrastructure.

Frequently Asked Questions

▶ When was outlook.office.com registered?

The domain outlook.office.com was created on April 20, 1999, according to WHOIS records.

▶ Who is the registrar for outlook.office.com?

The registrar is MarkMonitor Inc., as listed in the WHOIS data for the parent domain office.com.

▶ What are the nameservers for outlook.office.com?

The nameservers are NS1-05.AZURE-DNS.COM, NS2-05.AZURE-DNS.NET, NS3-05.AZURE-DNS.ORG, and NS4-05.AZURE-DNS.INFO.

▶ When does outlook.office.com expire?

The domain expires on April 20, 2027.

▶ What status protections does outlook.office.com have?

It has clientDeleteProhibited, clientTransferProhibited, clientUpdateProhibited, serverDeleteProhibited, serverTransferProhibited, and serverUpdateProhibited statuses.

Created: | Report an error

Previous versions: 19.05.2026, 17.04.2026

WHOIS History

Get 10+ years of WHOIS history for the domain outlook.office.com.

Find out who owned the domain and when the registrars and DNS servers changed.

Price: $2.99

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