域名被墙查询
通过对比中国内地与海外 DNS 解析结果，并结合访问测试，判断域名是否可能被墙。
extern.com
置信度: 高
未被墙
各节点 DNS 解析一致且可正常解析，未发现被墙特征。
3.168.178.85, 3.168.178.89, 3.168.178.40, 3.168.178.17, 65.8.76.91, 65.8.76.99, 65.8.76.128, 99.86.109.14, 99.86.109.91, 99.86.109.84, 99.86.109.59
中国内地解析 IP
3.168.178.17, 3.168.178.40, 3.168.178.89, 3.168.178.85
海外解析 IP
各节点解析结果
| DNS | 区域 | 状态 | IP | 耗时(ms) |
|---|---|---|---|---|
| 阿里DNS 223.5.5.5 | 中国内地 | OK | 3.168.178.85, 3.168.178.89, 3.168.178.40, 3.168.178.17 | 138 |
| 腾讯DNS 119.29.29.29 | 中国内地 | OK | 3.168.178.89, 3.168.178.17, 3.168.178.85, 3.168.178.40 | 85 |
| 114DNS 114.114.114.114 | 中国内地 | OK | 65.8.76.91, 65.8.76.99, 65.8.76.128 | 97 |
| 百度DNS 180.76.76.76 | 中国内地 | OK | 99.86.109.14, 99.86.109.91, 99.86.109.84, 99.86.109.59 | 252 |
| Google DNS 8.8.8.8 | 海外 | OK | 3.168.178.17, 3.168.178.40, 3.168.178.89, 3.168.178.85 | 45 |
| Cloudflare 1.1.1.1 | 海外 | OK | 3.168.178.85, 3.168.178.89, 3.168.178.40, 3.168.178.17 | 11 |
| Quad9 9.9.9.9 | 海外 | OK | 3.168.178.40, 3.168.178.17, 3.168.178.85, 3.168.178.89 | 12 |
| OpenDNS 208.67.222.222 | 海外 | OK | 3.168.178.40, 3.168.178.85, 3.168.178.89, 3.168.178.17 | 295 |
访问测试
| URL | 状态 | 耗时(ms) |
|---|---|---|
| https://extern.com | HTTP 200 | 511 |
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。