Domain Blocked Check

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

arch.app

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。

13.225.117.83, 13.225.117.64, 13.225.117.109, 13.225.117.103, 52.222.136.113, 52.222.136.124, 52.222.136.12, 99.86.240.95, 99.86.240.60, 99.86.240.126, 99.86.240.108

Mainland IPs

13.225.117.103, 13.225.117.64, 13.225.117.83, 13.225.117.109

Overseas IPs

Resolver results

DNS	Region	Status	IP	Time (ms)
阿里DNS 223.5.5.5	Mainland China	OK	13.225.117.83, 13.225.117.64, 13.225.117.109, 13.225.117.103	64
腾讯DNS 119.29.29.29	Mainland China	OK	13.225.117.64, 13.225.117.83, 13.225.117.109, 13.225.117.103	115
114DNS 114.114.114.114	Mainland China	OK	52.222.136.113, 52.222.136.124, 52.222.136.12	389
百度DNS 180.76.76.76	Mainland China	OK	99.86.240.95, 99.86.240.60, 99.86.240.126, 99.86.240.108	515
Google DNS 8.8.8.8	Overseas	OK	13.225.117.103, 13.225.117.64, 13.225.117.83, 13.225.117.109	45
Cloudflare 1.1.1.1	Overseas	OK	13.225.117.103, 13.225.117.109, 13.225.117.64, 13.225.117.83	131
Quad9 9.9.9.9	Overseas	OK	13.225.117.109, 13.225.117.64, 13.225.117.83, 13.225.117.103	74
OpenDNS 208.67.222.222	Overseas	OK	13.225.117.103, 13.225.117.109, 13.225.117.64, 13.225.117.83	115

Access test

URL	Status	Time (ms)
https://arch.app	HTTP 200	840

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。