Domain Blocked Check

Compare DNS resolution between mainland China and overseas resolvers plus an access test to judge whether a domain may be blocked.

bright.cn

Confidence: 高

Not blocked 各节点 DNS 解析一致且可正常解析，未发现被墙特征。

210.51.40.139, 210.51.40.144, 210.51.40.135, 210.51.40.136, 180.163.57.90, 180.163.57.81, 180.163.57.86, 180.163.57.67, 120.52.12.68, 120.52.12.88, 120.52.12.89, 116.129.226.136, 116.129.226.137, 116.129.226.149, 116.129.226.143

Mainland IPs

180.163.57.22, 180.163.57.31, 180.163.57.1, 180.163.57.0, 180.163.57.90, 180.163.57.67, 180.163.57.81, 180.163.57.86, 210.51.40.135, 210.51.40.136, 210.51.40.139, 210.51.40.144

Overseas IPs

Resolver results

DNS	Region	Status	IP	Time (ms)
阿里DNS 223.5.5.5	Mainland China	OK	210.51.40.139, 210.51.40.144, 210.51.40.135, 210.51.40.136	64
腾讯DNS 119.29.29.29	Mainland China	OK	180.163.57.90, 180.163.57.81, 180.163.57.86, 180.163.57.67	520
114DNS 114.114.114.114	Mainland China	OK	120.52.12.68, 120.52.12.88, 120.52.12.89	77
百度DNS 180.76.76.76	Mainland China	OK	116.129.226.136, 116.129.226.137, 116.129.226.149, 116.129.226.143	244
Google DNS 8.8.8.8	Overseas	OK	180.163.57.22, 180.163.57.31, 180.163.57.1, 180.163.57.0	1282
Cloudflare 1.1.1.1	Overseas	OK	180.163.57.90, 180.163.57.67, 180.163.57.81, 180.163.57.86	808
Quad9 9.9.9.9	Overseas	OK	180.163.57.90, 180.163.57.81, 180.163.57.67, 180.163.57.86	578
OpenDNS 208.67.222.222	Overseas	OK	210.51.40.135, 210.51.40.136, 210.51.40.139, 210.51.40.144	857

Access test

URL	Status	Time (ms)
https://bright.cn	HTTP 200	903

说明：通过对比中国内地与海外多节点 DNS 解析结果并结合访问测试判断，结果为参考性结论，不能替代专业网络诊断。