China Network DNS Options
China Network has multiple DNS settings that have been designed to meet different customers' requirements. However, it can be challenging at times to understand which ones to use, so we're going to try to break down each
China Network DNS Options
Overview
China Network has multiple DNS settings that have been designed to meet different customers' requirements. However, it can be challenging at times to understand which ones to use, so we're going to try to break down each option once and for all.
Definitions
Cloudflare (CF) COLO: Any of our data centers that is part of Cloudflare's global network (which excludes Mainland China).
JDCloud (JDC) COLO: Any of data centers within Mainland China that we use to operate Cloudflare's China Network in partnership with JDCloud.
Global Eyeballs: End devices/individuals located outside of China.
China Eyeballs: End devices/individuals located inside of China.
| SCENARIO | DNS MODE | DNS ZONE SETUP | NAMESERVERS/PARTIAL SUFFIX | DNS RESOLUTION | GLOBAL EYEBALL REQUESTS | CHINA EYEBALLS REQUESTS | CONSIDERATIONS |
|---|---|---|---|---|---|---|---|
| Mix of China and Global Eyeballs | Default | FULL | Global Cloudflare ANYCAST DNS Server | • name1.ns.cloudflare.com• name2.ns.cloudflare.com | CF COLO | Global Anycast IP | China Unicast IP |
| PARTIAL | Global Cloudflare ANYCAST DNS ServerCNAME to |
CF COLO | Global Anycast IP | China Unicast IP | |||
| Majority China Eyeballs | In-China NS(In-Country DNS) | FULL | Inside China DNS Server• ns.dns.cf-ns.com• ns.dns.cf-ns.net | JDC COLO | China Unicast IP | China Unicast IP | ALL DNS query will stay inside China, leading to better DNS resolution time for China eyeballs.In-China average resolve time ~20ms. DNSSEC unavailable. |
| PARTIAL | Inside China DNS ServerCNAME to |
JDC COLO | China Unicast IP | China Unicast IP |