【Error】github pages error

之前子域名A记录解析到github的ip，最近发现github pages打不开了。报错：

Fastly error: unknown domain: xxxxxxxx. Please check that this domain has been added to a service.

Details: cache-xxxxxx

解决办法：

更换ip为下面几个即可：

185.199.108.153
185.199.109.153
185.199.110.153
185.199.111.153

参考：

https://help.github.com/cn/github/working-with-github-pages/managing-a-custom-domain-for-your-github-pages-site

https://www.v2ex.com/t/637850

ps：sad