Domain Blocked Check
Compare DNS resolution between mainland China and overseas resolvers plus an access test to judge whether a domain may be blocked.
citytour.it
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。
213.210.57.167, 147.93.77.144, 147.93.77.188, 213.210.57.7, 179.61.189.172, 191.101.228.101, 77.37.48.165, 91.108.100.129
Mainland IPs
147.93.77.188, 213.210.57.7, 2.57.91.217, 88.222.222.215, 147.93.77.7, 213.210.57.134, 213.210.57.103, 147.93.77.197
Overseas IPs
Resolver results
| DNS | Region | Status | IP | Time (ms) |
|---|---|---|---|---|
| 阿里DNS 223.5.5.5 | Mainland China | OK | 213.210.57.167, 147.93.77.144 | 58 |
| 腾讯DNS 119.29.29.29 | Mainland China | OK | 147.93.77.188, 213.210.57.7 | 144 |
| 114DNS 114.114.114.114 | Mainland China | OK | 179.61.189.172, 191.101.228.101 | 510 |
| 百度DNS 180.76.76.76 | Mainland China | OK | 77.37.48.165, 91.108.100.129 | 692 |
| Google DNS 8.8.8.8 | Overseas | OK | 147.93.77.188, 213.210.57.7 | 47 |
| Cloudflare 1.1.1.1 | Overseas | OK | 2.57.91.217, 88.222.222.215 | 154 |
| Quad9 9.9.9.9 | Overseas | OK | 147.93.77.7, 213.210.57.134 | 286 |
| OpenDNS 208.67.222.222 | Overseas | OK | 213.210.57.103, 147.93.77.197 | 120 |
Access test
| URL | Status | Time (ms) |
|---|---|---|
| https://citytour.it | HTTP 200 | 529 |
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。