Domain Blocked Check
Compare DNS resolution between mainland China and overseas resolvers plus an access test to judge whether a domain may be blocked.
lincare.net
Confidence: 高
Possible DNS pollution
中国内地与海外 DNS 解析到完全不同的 IP，可能存在 DNS 污染或 CDN 分线路解析，请结合访问测试判断。
23.55.143.177, 23.55.143.152, 23.210.216.134, 23.210.216.150, 23.44.138.169, 23.44.138.170
Mainland IPs
23.199.56.177, 23.199.56.140, 23.11.207.229, 23.11.207.236
Overseas IPs
Resolver results
| DNS | Region | Status | IP | Time (ms) |
|---|---|---|---|---|
| 阿里DNS 223.5.5.5 | Mainland China | OK | 23.55.143.177, 23.55.143.152 | 63 |
| 腾讯DNS 119.29.29.29 | Mainland China | OK | 23.55.143.177, 23.55.143.152 | 137 |
| 114DNS 114.114.114.114 | Mainland China | OK | 23.210.216.134, 23.210.216.150 | 500 |
| 百度DNS 180.76.76.76 | Mainland China | OK | 23.44.138.169, 23.44.138.170 | 638 |
| Google DNS 8.8.8.8 | Overseas | OK | 23.199.56.177, 23.199.56.140 | 41 |
| Cloudflare 1.1.1.1 | Overseas | OK | 23.199.56.177, 23.199.56.140 | 72 |
| Quad9 9.9.9.9 | Overseas | OK | 23.11.207.229, 23.11.207.236 | 140 |
| OpenDNS 208.67.222.222 | Overseas | OK | 23.199.56.140, 23.199.56.177 | 184 |
Access test
| URL | Status | Time (ms) |
|---|---|---|
| https://lincare.net | ERR_SSL_TLSV1_ALERT_INTERNAL_ERROR | 229 |
| http://lincare.net | HTTP 200 | 2203 |
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。