Netcraft “Search DNS” is positioned as a domain and website intelligence lookup tool. It can be used to retrieve domain-related information to support security investigation, asset organization, and competitor observation; the provided material does not include pricing, coverage, or performance data, so quantitative comparisons should not be made.

The material does not indicate support for self-hosting, and deployment requirements or server resource needs cannot be confirmed. It is generally used as an official web service. Users in China should note access stability, Chinese-language and ICP filing scenarios, and support for the WeChat ecosystem, domestic cloud providers, and local payment methods.