域名工具
域名被墙检测 www.cq5999.com tool.lu/whois www.dbcha.com (被墙污染检测)
www.dute.org
websocket http://www.easyswoole.com/wstool.html
参考 运维工具 https://www.cnblogs.com/along21/p/8124088.html
https://zijian.aliyun.com/ 阿里云工具
http://www.wetools.com/domain-check
https://www.wireshark.org/#download 抓包工具
https://www.zmonitor.net/ 谛听监测 (可以申请证书)
https://www.yq724.com/gaoji.html 云墙检测
http://dnsjs.com/index.html https://dnsce.com/ 域名污染检测
https://www.ping.cn/dns/yh.wvuuvw.cn dns检测
https://whichloadsfaster.zomdir.com/ 网站打开速度
https://www.domainnameapi.com/cn/chengwei-daili 域名代理