Domain Blocked Check
Compare DNS resolution between mainland China and overseas resolvers plus an access test to judge whether a domain may be blocked.
zippy.co
Confidence: 低
Cannot resolve
所有 DNS 节点均无法解析，域名可能未注册、已过期或解析异常。
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Mainland IPs
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Overseas IPs
Resolver results
| DNS | Region | Status | IP | Time (ms) |
|---|---|---|---|---|
| 阿里DNS 223.5.5.5 | Mainland China | ESERVFAIL | - | 278 |
| 腾讯DNS 119.29.29.29 | Mainland China | ESERVFAIL | - | 887 |
| 114DNS 114.114.114.114 | Mainland China | ESERVFAIL | - | 462 |
| 百度DNS 180.76.76.76 | Mainland China | ESERVFAIL | - | 918 |
| Google DNS 8.8.8.8 | Overseas | ESERVFAIL | - | 45 |
| Cloudflare 1.1.1.1 | Overseas | ESERVFAIL | - | 466 |
| Quad9 9.9.9.9 | Overseas | ESERVFAIL | - | 265 |
| OpenDNS 208.67.222.222 | Overseas | ESERVFAIL | - | 258 |
Access test
| URL | Status | Time (ms) |
|---|---|---|
| https://zippy.co | EAI_AGAIN | 452 |
| http://zippy.co | EAI_AGAIN | 702 |
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。