国内DNS查询工具
Coding Tools：DNS在线查询工具 - Coding.Tools
ipw.cn：域名解析查询 ~| DNS查询 ~| IPv6解析 ~| 在线dig ~| IP查询(ipw.cn)
ip33.com：在线DNS解析_ip33.com
ITDOG：DNS记录查询_DNS解析查询_A记录_CNAME查询_AAAA查询_MX查询_TXT查询_NS查询_PTR查询_SRV查询 (itdog.cn)
lddgo：在线DNS查询/DNS解析 (lddgo.net)
国外DNS查询工具
https://mxtoolbox.com/DNSLookup.aspx
优秀免费公共DNS
| =DNS | =IP地址 | =官网 | =备注 |
| 百度DNS | 180.76.76.76 | http://dudns.baidu.com/ | - |
| 阿里DNS | 223.5.5.5 |
223.6.6.6|http://www.alidns.com/|-
| DNSPod | 119.29.29.29 | https://www.dnspod.cn/Products/Public.DNS | 腾讯旗下 |
| 114 DNS | 114.114.114.114 |
114.114.115.115|http://www.114dns.com/|电信合作商
| Google DNS | 8.8.8.8 |
- 8.4.4|https://developers.google.com/speed/public-dns/|纯净无污染，注意墙
| SDNS | 1.2.4.8 |
210.2.4.8|http://www.sdns.cn/|中国互联网络信息中心提供
| OpenDNS | 208.67.220.220 |
208.67.222.222|http://www.opendns.com/|资深、专业的公众DNS
github.com DNS解析结果
| =DNS服务商 | =响应类型 | =响应IP | =TTL值 | =赞助商 |
| 百度公共DNS | A | 20.205.243.166 | 135 | - |
| 阿里公共DNS(1) | A | 20.205.243.166 | 14 | - |
| 阿里公共DNS(2) | A | 20.205.243.166 | 13 | - |
| DNSPod(腾讯) | A | 20.205.243.166 | 60 | - |
| 114 DNS | A | 20.205.243.166 | 125 | - |
| Google Dns | A | 20.205.243.166 | 57 | - |
| Open Dns | A | 20.205.243.166 | 60 | - |
| Dyn DNS | A | 140.82.113.4 | 52 | - |
| Comodo Secure | A | 20.200.245.247 | 22 | - |
| Ultra DNS | A | 20.205.243.166 | 45 | - |
| Dns派 | A | 20.205.243.166 | 60 | - |
| SDNS | A | 20.205.243.166 | 14 | - |