DNSSEC configuration

In the past, the first thing I thought of when using DNS was free DNS, because paying or not paying for DNS domain name resolution does not really seem that important compared to hosting and domain names. In reality, there are also many free DNSs, such as DNSPOD, Cloudxns, Alibaba Cloud Analysis, JD Cloud DNS, etc. You can find more in this article’s summary list of domestic and foreign free DNS domain name resolution services.

DNSSEC is a security mechanism designed to solve DNS spoofing and cache pollution. The English name is Domain Name System Security Extensions. It uses cryptographic technology to enable the domain name resolution server to verify the responses it receives (including responses for non-existent domain names). ) came from a real server, or was tampered with during transmission.