A Specialized Nameserver in Microsoft's Cloud
ns1-204.azure-dns.com stands out as one of the many dedicated nameservers powering Azure DNS, Microsoft's cloud-based domain name resolution service. Registered on March 12, 2015, the domain remains active with an expiration date set for March 12, 2027.
Registration and Technical Details
The domain is managed by registrar MarkMonitor Inc. Its current status includes multiple protection flags such as clientDeleteProhibited, clientTransferProhibited, clientUpdateProhibited, serverDeleteProhibited, serverTransferProhibited, and serverUpdateProhibited. These locks help safeguard the record from unauthorized changes.
DNS records for ns1-204.azure-dns.com point to the IPv4 address 13.107.236.204 and the IPv6 address 2603:1061:0:700::cc, both located in the United States and associated with Microsoft Corporation's network (AS8075). The parent domain azure-dns.com shares the same registrar and creation date.
Role in Azure DNS
This nameserver belongs to a specific "bucket" (204) used by Azure DNS for delegating domains. Related nameservers in the same group include ns2-204.azure-dns.net, ns3-204.azure-dns.org, and ns4-204.azure-dns.info. It has served as a nameserver for various domains, including examples like msn.com and nelreports.net.
DNSSEC is not enabled for this domain. The WHOIS data for azure-dns.com lists the registrant organization explicitly as Microsoft Corporation, with an address at One Microsoft Way, Redmond, WA 98052.
Recent Activity
The domain record was last updated on February 8, 2026. As of today (June 13, 2026), it continues to function within Microsoft's global DNS infrastructure, supporting reliable name resolution for hosted zones.
While the subdomain itself does not host public web content, its infrastructure role makes it a quiet but essential component of cloud DNS operations.