co.sd.us

CO.SD.US was registered on October 13, 2015, and is set to expire on October 12, 2027. Its age is about 11 years. The domain is managed by US Locality Zone Manager (IANA ID 0) and is active. Public WHOIS names State of South Dakota as the registrant organisation, with United States as the country. Renewals are usually made for one to ten years at a time, so an expiry date far in the future shows a long-term commitment to the name. Managed DNS providers are often used for speed, security and protection against attacks. Nameservers decide where a domain's DNS is hosted, so a change of nameservers usually means the website or email moved to a new provider. An older registration date is often seen as a sign of an established website, although age alone says nothing about who owns it today. Privacy services replace the owner's contact details in the public record with those of a proxy, which is common for personal registrations. Status flags such as transfer or delete locks are set by the registrar or registry to protect a domain from unauthorised changes. Public WHOIS records can show the registrant organisation and country, while many owners now hide personal details behind privacy services. Registrars are the companies accredited to sell and manage domain names, and the sponsoring registrar is the one currently responsible for this name. Changes to the registrant organisation can point to a sale, a merger or simply an update of company details. Registry locks add an extra layer of protection for valuable names, because changes then need manual confirmation by the registry.

We have collected 8 historical WHOIS snapshots for CO.SD.US. The latest available snapshot is dated October 22, 2026. Security teams use WHOIS history to spot suspicious ownership changes and to link related domains. A long history with few changes usually points to a stable owner, while frequent changes can signal a transfer or a resale. Snapshots are collected over time, so the gaps between them depend on how often the record was checked. Each snapshot is a dated copy of the public WHOIS record as it looked when it was collected. Investigators use dated records to establish who controlled a domain at a specific point in time. Historical records are useful for due diligence, brand protection and investigating the background of a website. These records help track changes in registration details, ownership signals and DNS over time. The snapshot list below shows every capture we hold, newest first.

Between September 30, 2022 and October 22, 2026, 35 fields of the record changed. The registrar changed from State of South Dakota to US Locality Zone Manager. Status flags were updated: serverTransferProhibited was removed. The registrant organisation became visible in the public record. The expiry date moved from October 12, 2022 to October 12, 2027, which shows the domain was renewed. Each change listed here can be checked against the original snapshots further down the page.