DNSPod 的 DoH 是挂了么

没啥问题
```
C:\Users\rover>curl -H "accept: application/dns-json" "https://doh.pub/dns-query?name=www.baidu.com&type=A"
{"Status":0,"TC":false,"RD":true,"RA":true,"AD":false,"CD":false,"Question":[{"name":"www.baidu.com.","type":1}],"Answer":[{"name":"www.baidu.com.","type":5,"TTL":1130,"data":"www.a.shifen.com."},{"name":"www.a.shifen.com.","type":1,"TTL":50,"data":"180.101.49.44"},{"name":"www.a.shifen.com.","type":1,"TTL":50,"data":"180.101.51.73"}]}

C:\Users\rover>dnslookup www.baidu.com https://doh.pub/dns-query
dnslookup v1.11.2
Server: https://doh.pub/dns-query

dnslookup result (elapsed 248.9508ms):
;; opcode: QUERY, status: NOERROR, id: 4304
;; flags: qr rd ra; QUERY: 1, ANSWER: 3, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version 0; flags:; udp: 512
; PADDING: 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

;; QUESTION SECTION:
;www.baidu.com. IN A

;; ANSWER SECTION:
www.baidu.com. 1104 IN CNAME www.a.shifen.com.
www.a.shifen.com. 24 IN A 39.156.70.46
www.a.shifen.com. 24 IN A 39.156.70.239
```

您好，问题已经关注到，经核实 DOH 服务运行正常，未发生故障。您遇到的 502 错误可能是由于测试请求中缺少必要的参数所致，建议您在请求中添加域名和解析记录类型参数，例如使用 curl "https://doh.pub/dns-query?name=qq.com&type=A" 进行测试。请再次尝试，有问题随时反馈，感谢您的理解与支持。

@tencentcloud
@Greatshu 感谢回复

我重新测试了下，502 确实是少参数导致的。mosdns 的日志信息让我忽略了测试的严谨，抱歉