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.
When it comes to free DNS services, CloudXNS, which has been favored by many webmasters before, should be a good choice. But this all changed in the past few days. Due to some "well-known" reasons, cloudxns suspended parsing for the vast majority of users without any notice. I only discovered this problem after returning from school this week.
NS1.com is a foreign professional DNS domain name resolution service provider. In addition to paid DNS domain name resolution, it also provides free DNS domain name resolution packages. The free limit is 500k Queries, 50 Records, 1 Built-in Monitor, and 1 Filter. Chain and NS1 API can basically meet the needs of daily website building.
The public DNS server here refers to the DNS domain name resolution server used locally by our computer. Generally, when we connect to the broadband, we will automatically obtain the DNS server of the local ISP. However, have you ever found that some "inexplicable" pop-ups occasionally pop up when accessing web pages on your computer? "advertisment? A typical example is that advertisements are inserted into web pages and cannot be removed by anti-virus software.
Hurricane Electric is a global Internet service provider based in the United States. The company was founded in 1994 and provides IPv4 and IPv6 access and data center services in San Jose, United States. It is the largest exchange center player in the world and participates in The exchange center includes all 73 Euro-IX exchange centers.
