Domain Blocked Check

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

co.link

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。但本站出口无法访问该站点，可能存在服务器访问限制或地域策略。

162.128.170.105, 162.128.169.86, 162.128.170.123, 162.128.171.43, 43.174.11.11, 43.159.81.208, 43.174.11.15, 43.174.112.59, 43.174.9.173, 43.168.208.100, 119.167.131.115, 42.236.90.180, 119.167.141.114, 119.167.249.58, 119.167.249.90, 222.135.153.22, 61.240.31.72, 119.167.131.195, 101.72.248.60, 218.69.49.109, 218.69.49.179

Mainland IPs

43.159.81.208, 43.174.112.59, 43.174.9.173, 43.168.208.100, 43.174.11.11, 43.174.11.15, 43.174.75.53, 43.174.12.42, 162.128.170.105, 162.128.170.123, 162.128.171.43, 162.128.171.125, 154.93.111.107, 154.93.111.196, 154.93.111.200, 154.93.111.209, 162.128.169.86

Overseas IPs

Resolver results

DNS	Region	Status	IP	Time (ms)
阿里DNS 223.5.5.5	Mainland China	OK	162.128.170.105, 162.128.169.86, 162.128.170.123, 162.128.171.43	185
腾讯DNS 119.29.29.29	Mainland China	OK	43.174.11.11, 43.159.81.208, 43.174.11.15, 43.174.112.59, 43.174.9.173, 43.168.208.100	280
114DNS 114.114.114.114	Mainland China	OK	119.167.131.115, 42.236.90.180, 119.167.141.114, 119.167.249.58, 119.167.249.90, 222.135.153.22, 61.240.31.72, 119.167.131.195	197
百度DNS 180.76.76.76	Mainland China	OK	101.72.248.60, 218.69.49.109, 218.69.49.179	330
Google DNS 8.8.8.8	Overseas	OK	43.159.81.208, 43.174.112.59, 43.174.9.173, 43.168.208.100, 43.174.11.11, 43.174.11.15	285
Cloudflare 1.1.1.1	Overseas	OK	43.174.75.53, 43.174.12.42	281
Quad9 9.9.9.9	Overseas	OK	43.174.11.11, 43.174.9.173, 43.174.11.15	276
OpenDNS 208.67.222.222	Overseas	OK	162.128.170.105, 162.128.170.123, 162.128.171.43, 162.128.171.125, 154.93.111.107, 154.93.111.196, 154.93.111.200, 154.93.111.209, 162.128.169.86	679

Access test

URL	Status	Time (ms)
https://co.link	ERR_TLS_CERT_ALTNAME_INVALID	325
http://co.link	HTTP 418	81

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。