IPv4 DNS Server:

OneDNS is a secure, fast, free niche DNS service. With it, you can always take advantage of the malicious website blocking service from the cloud to get rid of the DNS pollution and hijacking of unscrupulous ISPs. Meanwhile, you can speed up your internet connection through the north-south high-speed lines. And all of this, no need to download or install any software, within 1 minute to complete the setup. See more in the OneDNS FAQ.