申请 Let’s Encrypt 失败

签发失败,我们无法验证您的域名:

1、检查域名是否绑定到对应站点

2、检查域名是否正确解析到本服务器,或解析还未完全生效

3、如果您的站点设置了反向代理,或使用了CDN,请先将其关闭

4、如果您的站点设置了301重定向,请先将其关闭

5、如果以上检查都确认没有问题，请尝试更换DNS服务商

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[Sat Aug 11 14:38:30 CST 2018] Single domain='sinotechsoftware.com'
[Sat Aug 11 14:38:30 CST 2018] Getting domain auth token for each domain
[Sat Aug 11 14:38:30 CST 2018] Getting webroot for domain='sinotechsoftware.com'
[Sat Aug 11 14:38:30 CST 2018] Getting new-authz for domain='sinotechsoftware.com'
[Sat Aug 11 14:38:35 CST 2018] The new-authz request is ok.
[Sat Aug 11 14:38:36 CST 2018] Verifying:sinotechsoftware.com

[Sat Aug 11 14:38:43 CST 2018] sinotechsoftware.com:Verify error:Invalid response from http://sinotechsoftware.com/.wel ... dlPwigeTUQBZ67-uNc:
[Sat Aug 11 14:38:43 CST 2018] Please add '--debug' or '--log' to check more details.
[Sat Aug 11 14:38:43 CST 2018] See: https://github.com/Neilpang/acme.sh/wiki/How-to-debug-acme.sh

网站能够访问，nslookup 域名也只显示一个address?怎么整？？

我也是这个问题，不知道怎么解决？