Domain Blocked Check
Compare DNS resolution between mainland China and overseas resolvers plus an access test to judge whether a domain may be blocked.
mermaid.ai
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。
3.170.221.96, 3.170.221.72, 3.170.221.113, 3.170.221.87, 99.86.18.121, 99.86.18.33, 99.86.18.58, 99.86.18.62, 13.227.173.101, 13.227.173.45, 13.227.173.21, 13.227.173.95
Mainland IPs
3.170.221.113, 3.170.221.96, 3.170.221.87, 3.170.221.72
Overseas IPs
Resolver results
| DNS | Region | Status | IP | Time (ms) |
|---|---|---|---|---|
| 阿里DNS 223.5.5.5 | Mainland China | OK | 3.170.221.96, 3.170.221.72, 3.170.221.113, 3.170.221.87 | 65 |
| 腾讯DNS 119.29.29.29 | Mainland China | OK | 3.170.221.72, 3.170.221.87, 3.170.221.113, 3.170.221.96 | 119 |
| 114DNS 114.114.114.114 | Mainland China | OK | 99.86.18.121, 99.86.18.33, 99.86.18.58, 99.86.18.62 | 88 |
| 百度DNS 180.76.76.76 | Mainland China | OK | 13.227.173.101, 13.227.173.45, 13.227.173.21, 13.227.173.95 | 418 |
| Google DNS 8.8.8.8 | Overseas | OK | 3.170.221.113, 3.170.221.96, 3.170.221.87, 3.170.221.72 | 42 |
| Cloudflare 1.1.1.1 | Overseas | OK | 3.170.221.96, 3.170.221.87, 3.170.221.113, 3.170.221.72 | 9 |
| Quad9 9.9.9.9 | Overseas | OK | 3.170.221.87, 3.170.221.96, 3.170.221.72, 3.170.221.113 | 136 |
| OpenDNS 208.67.222.222 | Overseas | OK | 3.170.221.87, 3.170.221.96, 3.170.221.113, 3.170.221.72 | 93 |
Access test
| URL | Status | Time (ms) |
|---|---|---|
| https://mermaid.ai | HTTP 200 | 595 |
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。