Domain Blocked Check
Compare DNS resolution between mainland China and overseas resolvers plus an access test to judge whether a domain may be blocked.
zocdoc.de
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。
98.95.27.103, 100.51.219.203, 3.230.85.235, 98.82.104.248, 34.234.51.51, 52.6.171.96
Mainland IPs
98.95.27.103, 98.82.104.248, 52.6.171.96, 3.230.85.235, 34.234.51.51, 100.51.219.203
Overseas IPs
Resolver results
| DNS | Region | Status | IP | Time (ms) |
|---|---|---|---|---|
| 阿里DNS 223.5.5.5 | Mainland China | OK | 98.95.27.103, 100.51.219.203, 3.230.85.235, 98.82.104.248, 34.234.51.51, 52.6.171.96 | 44 |
| 腾讯DNS 119.29.29.29 | Mainland China | OK | 34.234.51.51, 100.51.219.203, 98.82.104.248, 3.230.85.235, 52.6.171.96, 98.95.27.103 | 208 |
| 114DNS 114.114.114.114 | Mainland China | OK | 52.6.171.96, 98.82.104.248, 98.95.27.103 | 301 |
| 百度DNS 180.76.76.76 | Mainland China | OK | 52.6.171.96, 98.82.104.248, 98.95.27.103, 3.230.85.235, 34.234.51.51, 100.51.219.203 | 295 |
| Google DNS 8.8.8.8 | Overseas | OK | 98.95.27.103, 98.82.104.248, 52.6.171.96, 3.230.85.235, 34.234.51.51, 100.51.219.203 | 45 |
| Cloudflare 1.1.1.1 | Overseas | OK | 98.95.27.103, 34.234.51.51, 100.51.219.203, 52.6.171.96, 3.230.85.235, 98.82.104.248 | 10 |
| Quad9 9.9.9.9 | Overseas | OK | 100.51.219.203, 98.82.104.248, 3.230.85.235, 98.95.27.103, 34.234.51.51, 52.6.171.96 | 7 |
| OpenDNS 208.67.222.222 | Overseas | OK | 34.234.51.51, 52.6.171.96, 98.82.104.248, 98.95.27.103, 100.51.219.203, 3.230.85.235 | 100 |
Access test
| URL | Status | Time (ms) |
|---|---|---|
| https://zocdoc.de | ERR_TLS_CERT_ALTNAME_INVALID | 617 |
| http://zocdoc.de | HTTP 403 | 834 |
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。